4780820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 11321856

約数和(自身を除く): 6541036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 701, 1364, 1402, 1705, 2804, 3410, 3505, 6820, 7010, 7711, 14020, 15422, 21731, 30844, 38555, 43462, 77110, 86924, 108655, 154220, 217310, 239041, 434620, 478082, 956164, 1195205, 2390410, 4780820]

約数ペア:

[(1, 4780820), (2, 2390410), (4, 1195205), (5, 956164), (10, 478082), (11, 434620), (20, 239041), (22, 217310), (31, 154220), (44, 108655), (55, 86924), (62, 77110), (110, 43462), (124, 38555), (155, 30844), (220, 21731), (310, 15422), (341, 14020), (620, 7711), (682, 7010), (701, 6820), (1364, 3505), (1402, 3410), (1705, 2804)]