260400608

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 560309400

約数和(自身を除く): 299908792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 179, 208, 269, 338, 358, 416, 538, 676, 716, 1076, 1352, 1432, 2152, 2327, 2704, 2864, 3497, 4304, 4654, 5408, 5728, 6994, 8608, 9308, 13988, 18616, 27976, 30251, 37232, 45461, 48151, 55952, 60502, 74464, 90922, 96302, 111904, 121004, 181844, 192604, 242008, 363688, 385208, 484016, 625963, 727376, 770416, 968032, 1251926, 1454752, 1540832, 2503852, 5007704, 8137519, 10015408, 16275038, 20030816, 32550076, 65100152, 130200304, 260400608]

約数ペア:

[(1, 260400608), (2, 130200304), (4, 65100152), (8, 32550076), (13, 20030816), (16, 16275038), (26, 10015408), (32, 8137519), (52, 5007704), (104, 2503852), (169, 1540832), (179, 1454752), (208, 1251926), (269, 968032), (338, 770416), (358, 727376), (416, 625963), (538, 484016), (676, 385208), (716, 363688), (1076, 242008), (1352, 192604), (1432, 181844), (2152, 121004), (2327, 111904), (2704, 96302), (2864, 90922), (3497, 74464), (4304, 60502), (4654, 55952), (5408, 48151), (5728, 45461), (6994, 37232), (8608, 30251), (9308, 27976), (13988, 18616)]