418717060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1667}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 927541440

約数和(自身を除く): 508824380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 661, 1322, 1667, 2644, 3305, 3334, 6610, 6668, 8335, 12559, 13220, 16670, 25118, 31673, 33340, 50236, 62795, 63346, 125590, 126692, 158365, 251180, 316730, 633460, 1101887, 2203774, 4407548, 5509435, 11018870, 20935853, 22037740, 41871706, 83743412, 104679265, 209358530, 418717060]

約数ペア:

[(1, 418717060), (2, 209358530), (4, 104679265), (5, 83743412), (10, 41871706), (19, 22037740), (20, 20935853), (38, 11018870), (76, 5509435), (95, 4407548), (190, 2203774), (380, 1101887), (661, 633460), (1322, 316730), (1667, 251180), (2644, 158365), (3305, 126692), (3334, 125590), (6610, 63346), (6668, 62795), (8335, 50236), (12559, 33340), (13220, 31673), (16670, 25118)]