1626020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 2305180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 389, 418, 778, 836, 1045, 1556, 1945, 2090, 3890, 4180, 4279, 7391, 7780, 8558, 14782, 17116, 21395, 29564, 36955, 42790, 73910, 81301, 85580, 147820, 162602, 325204, 406505, 813010, 1626020]

約数ペア:

[(1, 1626020), (2, 813010), (4, 406505), (5, 325204), (10, 162602), (11, 147820), (19, 85580), (20, 81301), (22, 73910), (38, 42790), (44, 36955), (55, 29564), (76, 21395), (95, 17116), (110, 14782), (190, 8558), (209, 7780), (220, 7391), (380, 4279), (389, 4180), (418, 3890), (778, 2090), (836, 1945), (1045, 1556)]