206746540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 192

約数和(自身を含む): 609638400

約数和(自身を除く): 402891860

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 44, 46, 52, 55, 65, 70, 77, 91, 92, 110, 115, 130, 140, 143, 154, 161, 182, 220, 230, 253, 260, 286, 299, 308, 322, 364, 385, 449, 455, 460, 506, 572, 598, 644, 715, 770, 805, 898, 910, 1001, 1012, 1196, 1265, 1430, 1495, 1540, 1610, 1771, 1796, 1820, 2002, 2093, 2245, 2530, 2860, 2990, 3143, 3220, 3289, 3542, 4004, 4186, 4490, 4939, 5005, 5060, 5837, 5980, 6286, 6578, 7084, 8372, 8855, 8980, 9878, 10010, 10327, 10465, 11674, 12572, 13156, 15715, 16445, 17710, 19756, 20020, 20654, 20930, 23023, 23348, 24695, 29185, 31430, 32890, 34573, 35420, 40859, 41308, 41860, 46046, 49390, 51635, 58370, 62860, 64207, 65780, 69146, 72289, 81718, 92092, 98780, 103270, 113597, 115115, 116740, 128414, 134251, 138292, 144578, 163436, 172865, 204295, 206540, 227194, 230230, 256828, 268502, 289156, 321035, 345730, 361445, 408590, 449449, 454388, 460460, 537004, 567985, 642070, 671255, 691460, 722890, 795179, 817180, 898898, 939757, 1135970, 1284140, 1342510, 1445780, 1476761, 1590358, 1797796, 1879514, 2247245, 2271940, 2685020, 2953522, 3180716, 3759028, 3975895, 4494490, 4698785, 5907044, 7383805, 7951790, 8988980, 9397570, 10337327, 14767610, 15903580, 18795140, 20674654, 29535220, 41349308, 51686635, 103373270, 206746540]

約数ペア:

[(1, 206746540), (2, 103373270), (4, 51686635), (5, 41349308), (7, 29535220), (10, 20674654), (11, 18795140), (13, 15903580), (14, 14767610), (20, 10337327), (22, 9397570), (23, 8988980), (26, 7951790), (28, 7383805), (35, 5907044), (44, 4698785), (46, 4494490), (52, 3975895), (55, 3759028), (65, 3180716), (70, 2953522), (77, 2685020), (91, 2271940), (92, 2247245), (110, 1879514), (115, 1797796), (130, 1590358), (140, 1476761), (143, 1445780), (154, 1342510), (161, 1284140), (182, 1135970), (220, 939757), (230, 898898), (253, 817180), (260, 795179), (286, 722890), (299, 691460), (308, 671255), (322, 642070), (364, 567985), (385, 537004), (449, 460460), (455, 454388), (460, 449449), (506, 408590), (572, 361445), (598, 345730), (644, 321035), (715, 289156), (770, 268502), (805, 256828), (898, 230230), (910, 227194), (1001, 206540), (1012, 204295), (1196, 172865), (1265, 163436), (1430, 144578), (1495, 138292), (1540, 134251), (1610, 128414), (1771, 116740), (1796, 115115), (1820, 113597), (2002, 103270), (2093, 98780), (2245, 92092), (2530, 81718), (2860, 72289), (2990, 69146), (3143, 65780), (3220, 64207), (3289, 62860), (3542, 58370), (4004, 51635), (4186, 49390), (4490, 46046), (4939, 41860), (5005, 41308), (5060, 40859), (5837, 35420), (5980, 34573), (6286, 32890), (6578, 31430), (7084, 29185), (8372, 24695), (8855, 23348), (8980, 23023), (9878, 20930), (10010, 20654), (10327, 20020), (10465, 19756), (11674, 17710), (12572, 16445), (13156, 15715)]