785091640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{859}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 1798466400

約数和(自身を除く): 1013374760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 313, 365, 584, 626, 730, 859, 1252, 1460, 1565, 1718, 2504, 2920, 3130, 3436, 4295, 6260, 6872, 8590, 12520, 17180, 22849, 34360, 45698, 62707, 91396, 114245, 125414, 182792, 228490, 250828, 268867, 313535, 456980, 501656, 537734, 627070, 913960, 1075468, 1254140, 1344335, 2150936, 2508280, 2688670, 5377340, 10754680, 19627291, 39254582, 78509164, 98136455, 157018328, 196272910, 392545820, 785091640]

約数ペア:

[(1, 785091640), (2, 392545820), (4, 196272910), (5, 157018328), (8, 98136455), (10, 78509164), (20, 39254582), (40, 19627291), (73, 10754680), (146, 5377340), (292, 2688670), (313, 2508280), (365, 2150936), (584, 1344335), (626, 1254140), (730, 1075468), (859, 913960), (1252, 627070), (1460, 537734), (1565, 501656), (1718, 456980), (2504, 313535), (2920, 268867), (3130, 250828), (3436, 228490), (4295, 182792), (6260, 125414), (6872, 114245), (8590, 91396), (12520, 62707), (17180, 45698), (22849, 34360)]