868324640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319237}}^1$

素因数の和:319269

約数の個数: 48

約数和(自身を含む): 2172095352

約数和(自身を除く): 1303770712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 319237, 638474, 1276948, 1596185, 2553896, 3192370, 5107792, 5427029, 6384740, 10215584, 10854058, 12769480, 21708116, 25538960, 27135145, 43416232, 51077920, 54270290, 86832464, 108540580, 173664928, 217081160, 434162320, 868324640]

約数ペア:

[(1, 868324640), (2, 434162320), (4, 217081160), (5, 173664928), (8, 108540580), (10, 86832464), (16, 54270290), (17, 51077920), (20, 43416232), (32, 27135145), (34, 25538960), (40, 21708116), (68, 12769480), (80, 10854058), (85, 10215584), (136, 6384740), (160, 5427029), (170, 5107792), (272, 3192370), (340, 2553896), (544, 1596185), (680, 1276948), (1360, 638474), (2720, 319237)]