245227710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2162

約数の個数: 128

約数和(自身を含む): 741565440

約数和(自身を除く): 496337730

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 182, 195, 210, 215, 258, 273, 301, 390, 430, 455, 546, 559, 602, 645, 903, 910, 1118, 1290, 1365, 1505, 1677, 1806, 2089, 2730, 2795, 3010, 3354, 3913, 4178, 4515, 5590, 6267, 7826, 8385, 9030, 10445, 11739, 12534, 14623, 16770, 19565, 20890, 23478, 27157, 29246, 31335, 39130, 43869, 54314, 58695, 62670, 73115, 81471, 87738, 89827, 117390, 135785, 146230, 162942, 179654, 190099, 219345, 269481, 271570, 380198, 407355, 438690, 449135, 538962, 570297, 628789, 814710, 898270, 950495, 1140594, 1167751, 1257578, 1347405, 1886367, 1900990, 2335502, 2694810, 2851485, 3143945, 3503253, 3772734, 5702970, 5838755, 6287890, 7006506, 8174257, 9431835, 11677510, 16348514, 17516265, 18863670, 24522771, 35032530, 40871285, 49045542, 81742570, 122613855, 245227710]

約数ペア:

[(1, 245227710), (2, 122613855), (3, 81742570), (5, 49045542), (6, 40871285), (7, 35032530), (10, 24522771), (13, 18863670), (14, 17516265), (15, 16348514), (21, 11677510), (26, 9431835), (30, 8174257), (35, 7006506), (39, 6287890), (42, 5838755), (43, 5702970), (65, 3772734), (70, 3503253), (78, 3143945), (86, 2851485), (91, 2694810), (105, 2335502), (129, 1900990), (130, 1886367), (182, 1347405), (195, 1257578), (210, 1167751), (215, 1140594), (258, 950495), (273, 898270), (301, 814710), (390, 628789), (430, 570297), (455, 538962), (546, 449135), (559, 438690), (602, 407355), (645, 380198), (903, 271570), (910, 269481), (1118, 219345), (1290, 190099), (1365, 179654), (1505, 162942), (1677, 146230), (1806, 135785), (2089, 117390), (2730, 89827), (2795, 87738), (3010, 81471), (3354, 73115), (3913, 62670), (4178, 58695), (4515, 54314), (5590, 43869), (6267, 39130), (7826, 31335), (8385, 29246), (9030, 27157), (10445, 23478), (11739, 20890), (12534, 19565), (14623, 16770)]