725656876

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 1550162880

約数和(自身を除く): 824506004

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 49, 74, 94, 98, 148, 188, 196, 259, 329, 518, 658, 1036, 1316, 1739, 1813, 2129, 2303, 3478, 3626, 4258, 4606, 6956, 7252, 8516, 9212, 12173, 14903, 24346, 29806, 48692, 59612, 78773, 85211, 100063, 104321, 157546, 170422, 200126, 208642, 315092, 340844, 400252, 417284, 551411, 700441, 1102822, 1400882, 2205644, 2801764, 3702331, 3859877, 4903087, 7404662, 7719754, 9806174, 14809324, 15439508, 19612348, 25916317, 51832634, 103665268, 181414219, 362828438, 725656876]

約数ペア:

[(1, 725656876), (2, 362828438), (4, 181414219), (7, 103665268), (14, 51832634), (28, 25916317), (37, 19612348), (47, 15439508), (49, 14809324), (74, 9806174), (94, 7719754), (98, 7404662), (148, 4903087), (188, 3859877), (196, 3702331), (259, 2801764), (329, 2205644), (518, 1400882), (658, 1102822), (1036, 700441), (1316, 551411), (1739, 417284), (1813, 400252), (2129, 340844), (2303, 315092), (3478, 208642), (3626, 200126), (4258, 170422), (4606, 157546), (6956, 104321), (7252, 100063), (8516, 85211), (9212, 78773), (12173, 59612), (14903, 48692), (24346, 29806)]