764794820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{2971}}^1$

素因数の和:3252

約数の個数: 48

約数和(自身を含む): 1640686656

約数和(自身を除く): 875891836

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 211, 244, 305, 422, 610, 844, 1055, 1220, 2110, 2971, 4220, 5942, 11884, 12871, 14855, 25742, 29710, 51484, 59420, 64355, 128710, 181231, 257420, 362462, 626881, 724924, 906155, 1253762, 1812310, 2507524, 3134405, 3624620, 6268810, 12537620, 38239741, 76479482, 152958964, 191198705, 382397410, 764794820]

約数ペア:

[(1, 764794820), (2, 382397410), (4, 191198705), (5, 152958964), (10, 76479482), (20, 38239741), (61, 12537620), (122, 6268810), (211, 3624620), (244, 3134405), (305, 2507524), (422, 1812310), (610, 1253762), (844, 906155), (1055, 724924), (1220, 626881), (2110, 362462), (2971, 257420), (4220, 181231), (5942, 128710), (11884, 64355), (12871, 59420), (14855, 51484), (25742, 29710)]