681349340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 1669054464

約数和(自身を除く): 987705124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 131, 140, 194, 262, 383, 388, 485, 524, 655, 679, 766, 917, 970, 1310, 1358, 1532, 1834, 1915, 1940, 2620, 2681, 2716, 3395, 3668, 3830, 4585, 5362, 6790, 7660, 9170, 10724, 12707, 13405, 13580, 18340, 25414, 26810, 37151, 50173, 50828, 53620, 63535, 74302, 88949, 100346, 127070, 148604, 177898, 185755, 200692, 250865, 254140, 260057, 351211, 355796, 371510, 444745, 501730, 520114, 702422, 743020, 889490, 1003460, 1040228, 1300285, 1404844, 1756055, 1778980, 2600570, 3512110, 4866781, 5201140, 7024220, 9733562, 19467124, 24333905, 34067467, 48667810, 68134934, 97335620, 136269868, 170337335, 340674670, 681349340]

約数ペア:

[(1, 681349340), (2, 340674670), (4, 170337335), (5, 136269868), (7, 97335620), (10, 68134934), (14, 48667810), (20, 34067467), (28, 24333905), (35, 19467124), (70, 9733562), (97, 7024220), (131, 5201140), (140, 4866781), (194, 3512110), (262, 2600570), (383, 1778980), (388, 1756055), (485, 1404844), (524, 1300285), (655, 1040228), (679, 1003460), (766, 889490), (917, 743020), (970, 702422), (1310, 520114), (1358, 501730), (1532, 444745), (1834, 371510), (1915, 355796), (1940, 351211), (2620, 260057), (2681, 254140), (2716, 250865), (3395, 200692), (3668, 185755), (3830, 177898), (4585, 148604), (5362, 127070), (6790, 100346), (7660, 88949), (9170, 74302), (10724, 63535), (12707, 53620), (13405, 50828), (13580, 50173), (18340, 37151), (25414, 26810)]