23198540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 54050976

約数和(自身を除く): 30852436

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 71, 85, 124, 142, 155, 170, 284, 310, 340, 355, 527, 620, 710, 961, 1054, 1207, 1420, 1922, 2108, 2201, 2414, 2635, 3844, 4402, 4805, 4828, 5270, 6035, 8804, 9610, 10540, 11005, 12070, 16337, 19220, 22010, 24140, 32674, 37417, 44020, 65348, 68231, 74834, 81685, 136462, 149668, 163370, 187085, 272924, 326740, 341155, 374170, 682310, 748340, 1159927, 1364620, 2319854, 4639708, 5799635, 11599270, 23198540]

約数ペア:

[(1, 23198540), (2, 11599270), (4, 5799635), (5, 4639708), (10, 2319854), (17, 1364620), (20, 1159927), (31, 748340), (34, 682310), (62, 374170), (68, 341155), (71, 326740), (85, 272924), (124, 187085), (142, 163370), (155, 149668), (170, 136462), (284, 81685), (310, 74834), (340, 68231), (355, 65348), (527, 44020), (620, 37417), (710, 32674), (961, 24140), (1054, 22010), (1207, 19220), (1420, 16337), (1922, 12070), (2108, 11005), (2201, 10540), (2414, 9610), (2635, 8804), (3844, 6035), (4402, 5270), (4805, 4828)]