31460100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 105993216

約数和(自身を除く): 74533116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 140, 142, 150, 175, 210, 211, 213, 284, 300, 350, 355, 420, 422, 426, 497, 525, 633, 700, 710, 844, 852, 994, 1050, 1055, 1065, 1266, 1420, 1477, 1491, 1775, 1988, 2100, 2110, 2130, 2485, 2532, 2954, 2982, 3165, 3550, 4220, 4260, 4431, 4970, 5275, 5325, 5908, 5964, 6330, 7100, 7385, 7455, 8862, 9940, 10550, 10650, 12425, 12660, 14770, 14910, 14981, 15825, 17724, 21100, 21300, 22155, 24850, 29540, 29820, 29962, 31650, 36925, 37275, 44310, 44943, 49700, 59924, 63300, 73850, 74550, 74905, 88620, 89886, 104867, 110775, 147700, 149100, 149810, 179772, 209734, 221550, 224715, 299620, 314601, 374525, 419468, 443100, 449430, 524335, 629202, 749050, 898860, 1048670, 1123575, 1258404, 1498100, 1573005, 2097340, 2247150, 2621675, 3146010, 4494300, 5243350, 6292020, 7865025, 10486700, 15730050, 31460100]

約数ペア:

[(1, 31460100), (2, 15730050), (3, 10486700), (4, 7865025), (5, 6292020), (6, 5243350), (7, 4494300), (10, 3146010), (12, 2621675), (14, 2247150), (15, 2097340), (20, 1573005), (21, 1498100), (25, 1258404), (28, 1123575), (30, 1048670), (35, 898860), (42, 749050), (50, 629202), (60, 524335), (70, 449430), (71, 443100), (75, 419468), (84, 374525), (100, 314601), (105, 299620), (140, 224715), (142, 221550), (150, 209734), (175, 179772), (210, 149810), (211, 149100), (213, 147700), (284, 110775), (300, 104867), (350, 89886), (355, 88620), (420, 74905), (422, 74550), (426, 73850), (497, 63300), (525, 59924), (633, 49700), (700, 44943), (710, 44310), (844, 37275), (852, 36925), (994, 31650), (1050, 29962), (1055, 29820), (1065, 29540), (1266, 24850), (1420, 22155), (1477, 21300), (1491, 21100), (1775, 17724), (1988, 15825), (2100, 14981), (2110, 14910), (2130, 14770), (2485, 12660), (2532, 12425), (2954, 10650), (2982, 10550), (3165, 9940), (3550, 8862), (4220, 7455), (4260, 7385), (4431, 7100), (4970, 6330), (5275, 5964), (5325, 5908)]