220254220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4421}}^1$

素因数の和:4530

約数の個数: 48

約数和(自身を含む): 481396608

約数和(自身を除く): 261142388

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4421, 4982, 8842, 9964, 12455, 17684, 22105, 24910, 44210, 49820, 88420, 207787, 234313, 415574, 468626, 831148, 937252, 1038935, 1171565, 2077870, 2343130, 4155740, 4686260, 11012711, 22025422, 44050844, 55063555, 110127110, 220254220]

約数ペア:

[(1, 220254220), (2, 110127110), (4, 55063555), (5, 44050844), (10, 22025422), (20, 11012711), (47, 4686260), (53, 4155740), (94, 2343130), (106, 2077870), (188, 1171565), (212, 1038935), (235, 937252), (265, 831148), (470, 468626), (530, 415574), (940, 234313), (1060, 207787), (2491, 88420), (4421, 49820), (4982, 44210), (8842, 24910), (9964, 22105), (12455, 17684)]