249268795780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1\times {\mathrm{565261}}^1$

素因数の和:566584

約数の個数: 48

約数和(自身を含む): 554684817456

約数和(自身を除く): 305416021676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1297, 2594, 5188, 6485, 12970, 22049, 25940, 44098, 88196, 110245, 220490, 440980, 565261, 1130522, 2261044, 2826305, 5652610, 9609437, 11305220, 19218874, 38437748, 48047185, 96094370, 192188740, 733143517, 1466287034, 2932574068, 3665717585, 7331435170, 12463439789, 14662870340, 24926879578, 49853759156, 62317198945, 124634397890, 249268795780]

約数ペア:

[(1, 249268795780), (2, 124634397890), (4, 62317198945), (5, 49853759156), (10, 24926879578), (17, 14662870340), (20, 12463439789), (34, 7331435170), (68, 3665717585), (85, 2932574068), (170, 1466287034), (340, 733143517), (1297, 192188740), (2594, 96094370), (5188, 48047185), (6485, 38437748), (12970, 19218874), (22049, 11305220), (25940, 9609437), (44098, 5652610), (88196, 2826305), (110245, 2261044), (220490, 1130522), (440980, 565261)]