4927780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 12164544

約数和(自身を除く): 7236764

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 1723, 2860, 3446, 6892, 8615, 17230, 18953, 22399, 34460, 37906, 44798, 75812, 89596, 94765, 111995, 189530, 223990, 246389, 379060, 447980, 492778, 985556, 1231945, 2463890, 4927780]

約数ペア:

[(1, 4927780), (2, 2463890), (4, 1231945), (5, 985556), (10, 492778), (11, 447980), (13, 379060), (20, 246389), (22, 223990), (26, 189530), (44, 111995), (52, 94765), (55, 89596), (65, 75812), (110, 44798), (130, 37906), (143, 34460), (220, 22399), (260, 18953), (286, 17230), (572, 8615), (715, 6892), (1430, 3446), (1723, 2860)]