20170428

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 28969572

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 149, 174, 298, 348, 389, 447, 596, 778, 894, 1167, 1556, 1788, 2334, 4321, 4668, 8642, 11281, 12963, 17284, 22562, 25926, 33843, 45124, 51852, 57961, 67686, 115922, 135372, 173883, 231844, 347766, 695532, 1680869, 3361738, 5042607, 6723476, 10085214, 20170428]

約数ペア:

[(1, 20170428), (2, 10085214), (3, 6723476), (4, 5042607), (6, 3361738), (12, 1680869), (29, 695532), (58, 347766), (87, 231844), (116, 173883), (149, 135372), (174, 115922), (298, 67686), (348, 57961), (389, 51852), (447, 45124), (596, 33843), (778, 25926), (894, 22562), (1167, 17284), (1556, 12963), (1788, 11281), (2334, 8642), (4321, 4668)]