4267780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 10301760

約数和(自身を除く): 6033980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1021, 1045, 2042, 2090, 4084, 4180, 5105, 10210, 11231, 19399, 20420, 22462, 38798, 44924, 56155, 77596, 96995, 112310, 193990, 213389, 224620, 387980, 426778, 853556, 1066945, 2133890, 4267780]

約数ペア:

[(1, 4267780), (2, 2133890), (4, 1066945), (5, 853556), (10, 426778), (11, 387980), (19, 224620), (20, 213389), (22, 193990), (38, 112310), (44, 96995), (55, 77596), (76, 56155), (95, 44924), (110, 38798), (190, 22462), (209, 20420), (220, 19399), (380, 11231), (418, 10210), (836, 5105), (1021, 4180), (1045, 4084), (2042, 2090)]