251282010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 712157184

約数和(自身を除く): 460875174

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 107, 159, 210, 211, 214, 265, 318, 321, 371, 422, 530, 535, 633, 642, 742, 749, 795, 1055, 1070, 1113, 1266, 1477, 1498, 1590, 1605, 1855, 2110, 2226, 2247, 2954, 3165, 3210, 3710, 3745, 4431, 4494, 5565, 5671, 6330, 7385, 7490, 8862, 11130, 11183, 11235, 11342, 14770, 17013, 22155, 22366, 22470, 22577, 28355, 33549, 34026, 39697, 44310, 45154, 55915, 56710, 67098, 67731, 78281, 79394, 85065, 111830, 112885, 119091, 135462, 156562, 158039, 167745, 170130, 198485, 225770, 234843, 238182, 316078, 335490, 338655, 391405, 396970, 469686, 474117, 595455, 677310, 782810, 790195, 948234, 1174215, 1190910, 1196581, 1580390, 2348430, 2370585, 2393162, 3589743, 4741170, 5982905, 7179486, 8376067, 11965810, 16752134, 17948715, 25128201, 35897430, 41880335, 50256402, 83760670, 125641005, 251282010]

約数ペア:

[(1, 251282010), (2, 125641005), (3, 83760670), (5, 50256402), (6, 41880335), (7, 35897430), (10, 25128201), (14, 17948715), (15, 16752134), (21, 11965810), (30, 8376067), (35, 7179486), (42, 5982905), (53, 4741170), (70, 3589743), (105, 2393162), (106, 2370585), (107, 2348430), (159, 1580390), (210, 1196581), (211, 1190910), (214, 1174215), (265, 948234), (318, 790195), (321, 782810), (371, 677310), (422, 595455), (530, 474117), (535, 469686), (633, 396970), (642, 391405), (742, 338655), (749, 335490), (795, 316078), (1055, 238182), (1070, 234843), (1113, 225770), (1266, 198485), (1477, 170130), (1498, 167745), (1590, 158039), (1605, 156562), (1855, 135462), (2110, 119091), (2226, 112885), (2247, 111830), (2954, 85065), (3165, 79394), (3210, 78281), (3710, 67731), (3745, 67098), (4431, 56710), (4494, 55915), (5565, 45154), (5671, 44310), (6330, 39697), (7385, 34026), (7490, 33549), (8862, 28355), (11130, 22577), (11183, 22470), (11235, 22366), (11342, 22155), (14770, 17013)]