520070660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1667}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 1151720640

約数和(自身を除く): 631649980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 821, 1642, 1667, 3284, 3334, 4105, 6668, 8210, 8335, 15599, 16420, 16670, 31198, 31673, 33340, 62396, 63346, 77995, 126692, 155990, 158365, 311980, 316730, 633460, 1368607, 2737214, 5474428, 6843035, 13686070, 26003533, 27372140, 52007066, 104014132, 130017665, 260035330, 520070660]

約数ペア:

[(1, 520070660), (2, 260035330), (4, 130017665), (5, 104014132), (10, 52007066), (19, 27372140), (20, 26003533), (38, 13686070), (76, 6843035), (95, 5474428), (190, 2737214), (380, 1368607), (821, 633460), (1642, 316730), (1667, 311980), (3284, 158365), (3334, 155990), (4105, 126692), (6668, 77995), (8210, 63346), (8335, 62396), (15599, 33340), (16420, 31673), (16670, 31198)]