312543820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{677}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 674539488

約数和(自身を除く): 361995668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 563, 677, 820, 1126, 1354, 2252, 2708, 2815, 3385, 5630, 6770, 11260, 13540, 23083, 27757, 46166, 55514, 92332, 111028, 115415, 138785, 230830, 277570, 381151, 461660, 555140, 762302, 1524604, 1905755, 3811510, 7623020, 15627191, 31254382, 62508764, 78135955, 156271910, 312543820]

約数ペア:

[(1, 312543820), (2, 156271910), (4, 78135955), (5, 62508764), (10, 31254382), (20, 15627191), (41, 7623020), (82, 3811510), (164, 1905755), (205, 1524604), (410, 762302), (563, 555140), (677, 461660), (820, 381151), (1126, 277570), (1354, 230830), (2252, 138785), (2708, 115415), (2815, 111028), (3385, 92332), (5630, 55514), (6770, 46166), (11260, 27757), (13540, 23083)]