725004

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 2202480

約数和(自身を除く): 1477476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 137, 147, 189, 196, 252, 274, 294, 378, 411, 441, 548, 588, 756, 822, 882, 959, 1233, 1323, 1644, 1764, 1918, 2466, 2646, 2877, 3699, 3836, 4932, 5292, 5754, 6713, 7398, 8631, 11508, 13426, 14796, 17262, 20139, 25893, 26852, 34524, 40278, 51786, 60417, 80556, 103572, 120834, 181251, 241668, 362502, 725004]

約数ペア:

[(1, 725004), (2, 362502), (3, 241668), (4, 181251), (6, 120834), (7, 103572), (9, 80556), (12, 60417), (14, 51786), (18, 40278), (21, 34524), (27, 26852), (28, 25893), (36, 20139), (42, 17262), (49, 14796), (54, 13426), (63, 11508), (84, 8631), (98, 7398), (108, 6713), (126, 5754), (137, 5292), (147, 4932), (189, 3836), (196, 3699), (252, 2877), (274, 2646), (294, 2466), (378, 1918), (411, 1764), (441, 1644), (548, 1323), (588, 1233), (756, 959), (822, 882)]