3959980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 9283680

約数和(自身を除く): 5323700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 613, 646, 1226, 1292, 1615, 2452, 3065, 3230, 6130, 6460, 10421, 11647, 12260, 20842, 23294, 41684, 46588, 52105, 58235, 104210, 116470, 197999, 208420, 232940, 395998, 791996, 989995, 1979990, 3959980]

約数ペア:

[(1, 3959980), (2, 1979990), (4, 989995), (5, 791996), (10, 395998), (17, 232940), (19, 208420), (20, 197999), (34, 116470), (38, 104210), (68, 58235), (76, 52105), (85, 46588), (95, 41684), (170, 23294), (190, 20842), (323, 12260), (340, 11647), (380, 10421), (613, 6460), (646, 6130), (1226, 3230), (1292, 3065), (1615, 2452)]