245144900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 746618880

約数和(自身を除く): 501473980

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 31, 35, 44, 50, 52, 55, 62, 65, 70, 77, 79, 91, 100, 110, 124, 130, 140, 143, 154, 155, 158, 175, 182, 217, 220, 260, 275, 286, 308, 310, 316, 325, 341, 350, 364, 385, 395, 403, 434, 455, 550, 553, 572, 620, 650, 682, 700, 715, 770, 775, 790, 806, 868, 869, 910, 1001, 1027, 1085, 1100, 1106, 1300, 1364, 1430, 1540, 1550, 1580, 1612, 1705, 1738, 1820, 1925, 1975, 2002, 2015, 2054, 2170, 2212, 2275, 2387, 2449, 2765, 2821, 2860, 3100, 3410, 3476, 3575, 3850, 3950, 4004, 4030, 4108, 4340, 4345, 4433, 4550, 4774, 4898, 5005, 5135, 5425, 5530, 5642, 6083, 6820, 7150, 7189, 7700, 7900, 8060, 8525, 8690, 8866, 9100, 9548, 9796, 10010, 10075, 10270, 10850, 11060, 11284, 11297, 11935, 12166, 12245, 13825, 14105, 14300, 14378, 17050, 17143, 17380, 17732, 20020, 20150, 20540, 21700, 21725, 22165, 22594, 23870, 24332, 24490, 25025, 25675, 26939, 27650, 28210, 28756, 30415, 31031, 31837, 34100, 34286, 35945, 40300, 43450, 44330, 45188, 47740, 48980, 50050, 51350, 53878, 55300, 56420, 56485, 59675, 60830, 61225, 62062, 63674, 68572, 70525, 71890, 79079, 85715, 86900, 88660, 100100, 102700, 107756, 110825, 112970, 119350, 121660, 122450, 124124, 127348, 134695, 141050, 143780, 152075, 155155, 158158, 159185, 171430, 179725, 188573, 221650, 222859, 225940, 238700, 244900, 269390, 282100, 282425, 304150, 310310, 316316, 318370, 342860, 350207, 359450, 377146, 395395, 428575, 443300, 445718, 538780, 564850, 608300, 620620, 636740, 673475, 700414, 718900, 754292, 775775, 790790, 795925, 857150, 891436, 942865, 1114295, 1129700, 1346950, 1400828, 1551550, 1581580, 1591850, 1714300, 1751035, 1885730, 1976975, 2228590, 2451449, 2693900, 3103100, 3183700, 3502070, 3771460, 3953950, 4457180, 4714325, 4902898, 5571475, 7004140, 7907900, 8755175, 9428650, 9805796, 11142950, 12257245, 17510350, 18857300, 22285900, 24514490, 35020700, 49028980, 61286225, 122572450, 245144900]

約数ペア:

[(1, 245144900), (2, 122572450), (4, 61286225), (5, 49028980), (7, 35020700), (10, 24514490), (11, 22285900), (13, 18857300), (14, 17510350), (20, 12257245), (22, 11142950), (25, 9805796), (26, 9428650), (28, 8755175), (31, 7907900), (35, 7004140), (44, 5571475), (50, 4902898), (52, 4714325), (55, 4457180), (62, 3953950), (65, 3771460), (70, 3502070), (77, 3183700), (79, 3103100), (91, 2693900), (100, 2451449), (110, 2228590), (124, 1976975), (130, 1885730), (140, 1751035), (143, 1714300), (154, 1591850), (155, 1581580), (158, 1551550), (175, 1400828), (182, 1346950), (217, 1129700), (220, 1114295), (260, 942865), (275, 891436), (286, 857150), (308, 795925), (310, 790790), (316, 775775), (325, 754292), (341, 718900), (350, 700414), (364, 673475), (385, 636740), (395, 620620), (403, 608300), (434, 564850), (455, 538780), (550, 445718), (553, 443300), (572, 428575), (620, 395395), (650, 377146), (682, 359450), (700, 350207), (715, 342860), (770, 318370), (775, 316316), (790, 310310), (806, 304150), (868, 282425), (869, 282100), (910, 269390), (1001, 244900), (1027, 238700), (1085, 225940), (1100, 222859), (1106, 221650), (1300, 188573), (1364, 179725), (1430, 171430), (1540, 159185), (1550, 158158), (1580, 155155), (1612, 152075), (1705, 143780), (1738, 141050), (1820, 134695), (1925, 127348), (1975, 124124), (2002, 122450), (2015, 121660), (2054, 119350), (2170, 112970), (2212, 110825), (2275, 107756), (2387, 102700), (2449, 100100), (2765, 88660), (2821, 86900), (2860, 85715), (3100, 79079), (3410, 71890), (3476, 70525), (3575, 68572), (3850, 63674), (3950, 62062), (4004, 61225), (4030, 60830), (4108, 59675), (4340, 56485), (4345, 56420), (4433, 55300), (4550, 53878), (4774, 51350), (4898, 50050), (5005, 48980), (5135, 47740), (5425, 45188), (5530, 44330), (5642, 43450), (6083, 40300), (6820, 35945), (7150, 34286), (7189, 34100), (7700, 31837), (7900, 31031), (8060, 30415), (8525, 28756), (8690, 28210), (8866, 27650), (9100, 26939), (9548, 25675), (9796, 25025), (10010, 24490), (10075, 24332), (10270, 23870), (10850, 22594), (11060, 22165), (11284, 21725), (11297, 21700), (11935, 20540), (12166, 20150), (12245, 20020), (13825, 17732), (14105, 17380), (14300, 17143), (14378, 17050)]