201031780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7247}}^1$

素因数の和:7348

約数の個数: 48

約数和(自身を含む): 450535680

約数和(自身を除く): 249503900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 7247, 13870, 14494, 27740, 28988, 36235, 72470, 137693, 144940, 275386, 529031, 550772, 688465, 1058062, 1376930, 2116124, 2645155, 2753860, 5290310, 10051589, 10580620, 20103178, 40206356, 50257945, 100515890, 201031780]

約数ペア:

[(1, 201031780), (2, 100515890), (4, 50257945), (5, 40206356), (10, 20103178), (19, 10580620), (20, 10051589), (38, 5290310), (73, 2753860), (76, 2645155), (95, 2116124), (146, 1376930), (190, 1058062), (292, 688465), (365, 550772), (380, 529031), (730, 275386), (1387, 144940), (1460, 137693), (2774, 72470), (5548, 36235), (6935, 28988), (7247, 27740), (13870, 14494)]