995280773780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20411}}^1\times {\mathrm{128321}}^1$

素因数の和:148760

約数の個数: 48

約数和(自身を含む): 2200219277760

約数和(自身を除く): 1204938503980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20411, 40822, 81644, 102055, 128321, 204110, 256642, 387809, 408220, 513284, 641605, 775618, 1283210, 1551236, 1939045, 2438099, 2566420, 3878090, 4876198, 7756180, 9752396, 12190495, 24380990, 48761980, 2619159931, 5238319862, 10476639724, 13095799655, 26191599310, 49764038689, 52383198620, 99528077378, 199056154756, 248820193445, 497640386890, 995280773780]

約数ペア:

[(1, 995280773780), (2, 497640386890), (4, 248820193445), (5, 199056154756), (10, 99528077378), (19, 52383198620), (20, 49764038689), (38, 26191599310), (76, 13095799655), (95, 10476639724), (190, 5238319862), (380, 2619159931), (20411, 48761980), (40822, 24380990), (81644, 12190495), (102055, 9752396), (128321, 7756180), (204110, 4876198), (256642, 3878090), (387809, 2566420), (408220, 2438099), (513284, 1939045), (641605, 1551236), (775618, 1283210)]