219474640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 664957440

約数和(自身を除く): 445482800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 79, 80, 82, 88, 110, 112, 121, 140, 154, 158, 164, 176, 205, 220, 242, 280, 287, 308, 316, 328, 385, 395, 410, 440, 451, 484, 553, 560, 574, 605, 616, 632, 656, 770, 790, 820, 847, 869, 880, 902, 968, 1106, 1148, 1210, 1232, 1264, 1435, 1540, 1580, 1640, 1694, 1738, 1804, 1936, 2212, 2255, 2296, 2420, 2765, 2870, 3080, 3157, 3160, 3239, 3280, 3388, 3476, 3608, 4235, 4345, 4424, 4510, 4592, 4840, 4961, 5530, 5740, 6083, 6160, 6314, 6320, 6478, 6776, 6952, 7216, 8470, 8690, 8848, 9020, 9559, 9680, 9922, 11060, 11480, 12166, 12628, 12956, 13552, 13904, 15785, 16195, 16940, 17380, 18040, 19118, 19844, 22120, 22673, 22960, 24332, 24805, 25256, 25912, 30415, 31570, 32390, 33880, 34727, 34760, 35629, 36080, 38236, 39688, 44240, 45346, 47795, 48664, 49610, 50512, 51824, 60830, 63140, 64780, 66913, 67760, 69454, 69520, 71258, 76472, 79376, 90692, 95590, 97328, 99220, 113365, 121660, 126280, 129560, 133826, 138908, 142516, 152944, 173635, 178145, 181384, 191180, 198440, 226730, 243320, 249403, 252560, 259120, 267652, 277816, 285032, 334565, 347270, 356290, 362768, 382360, 391919, 396880, 453460, 486640, 498806, 535304, 555632, 570064, 669130, 694540, 712580, 764720, 783838, 906920, 997612, 1070608, 1247015, 1338260, 1389080, 1425160, 1567676, 1813840, 1959595, 1995224, 2494030, 2676520, 2743433, 2778160, 2850320, 3135352, 3919190, 3990448, 4988060, 5353040, 5486866, 6270704, 7838380, 9976120, 10973732, 13717165, 15676760, 19952240, 21947464, 27434330, 31353520, 43894928, 54868660, 109737320, 219474640]

約数ペア:

[(1, 219474640), (2, 109737320), (4, 54868660), (5, 43894928), (7, 31353520), (8, 27434330), (10, 21947464), (11, 19952240), (14, 15676760), (16, 13717165), (20, 10973732), (22, 9976120), (28, 7838380), (35, 6270704), (40, 5486866), (41, 5353040), (44, 4988060), (55, 3990448), (56, 3919190), (70, 3135352), (77, 2850320), (79, 2778160), (80, 2743433), (82, 2676520), (88, 2494030), (110, 1995224), (112, 1959595), (121, 1813840), (140, 1567676), (154, 1425160), (158, 1389080), (164, 1338260), (176, 1247015), (205, 1070608), (220, 997612), (242, 906920), (280, 783838), (287, 764720), (308, 712580), (316, 694540), (328, 669130), (385, 570064), (395, 555632), (410, 535304), (440, 498806), (451, 486640), (484, 453460), (553, 396880), (560, 391919), (574, 382360), (605, 362768), (616, 356290), (632, 347270), (656, 334565), (770, 285032), (790, 277816), (820, 267652), (847, 259120), (869, 252560), (880, 249403), (902, 243320), (968, 226730), (1106, 198440), (1148, 191180), (1210, 181384), (1232, 178145), (1264, 173635), (1435, 152944), (1540, 142516), (1580, 138908), (1640, 133826), (1694, 129560), (1738, 126280), (1804, 121660), (1936, 113365), (2212, 99220), (2255, 97328), (2296, 95590), (2420, 90692), (2765, 79376), (2870, 76472), (3080, 71258), (3157, 69520), (3160, 69454), (3239, 67760), (3280, 66913), (3388, 64780), (3476, 63140), (3608, 60830), (4235, 51824), (4345, 50512), (4424, 49610), (4510, 48664), (4592, 47795), (4840, 45346), (4961, 44240), (5530, 39688), (5740, 38236), (6083, 36080), (6160, 35629), (6314, 34760), (6320, 34727), (6478, 33880), (6776, 32390), (6952, 31570), (7216, 30415), (8470, 25912), (8690, 25256), (8848, 24805), (9020, 24332), (9559, 22960), (9680, 22673), (9922, 22120), (11060, 19844), (11480, 19118), (12166, 18040), (12628, 17380), (12956, 16940), (13552, 16195), (13904, 15785)]