4985388220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{9041}}^1$

素因数の和:9478

約数の個数: 48

約数和(自身を含む): 10633392000

約数和(自身を除く): 5648003780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 349, 395, 698, 790, 1396, 1580, 1745, 3490, 6980, 9041, 18082, 27571, 36164, 45205, 55142, 90410, 110284, 137855, 180820, 275710, 551420, 714239, 1428478, 2856956, 3155309, 3571195, 6310618, 7142390, 12621236, 14284780, 15776545, 31553090, 63106180, 249269411, 498538822, 997077644, 1246347055, 2492694110, 4985388220]

約数ペア:

[(1, 4985388220), (2, 2492694110), (4, 1246347055), (5, 997077644), (10, 498538822), (20, 249269411), (79, 63106180), (158, 31553090), (316, 15776545), (349, 14284780), (395, 12621236), (698, 7142390), (790, 6310618), (1396, 3571195), (1580, 3155309), (1745, 2856956), (3490, 1428478), (6980, 714239), (9041, 551420), (18082, 275710), (27571, 180820), (36164, 137855), (45205, 110284), (55142, 90410)]