74735920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 199683648

約数和(自身を除く): 124947728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 421, 560, 634, 842, 1268, 1585, 1684, 2105, 2219, 2536, 2947, 3170, 3368, 4210, 4438, 5072, 5894, 6340, 6736, 8420, 8876, 11095, 11788, 12680, 14735, 16840, 17752, 22190, 23576, 25360, 29470, 33680, 35504, 44380, 47152, 58940, 88760, 117880, 133457, 177520, 235760, 266914, 533828, 667285, 934199, 1067656, 1334570, 1868398, 2135312, 2669140, 3736796, 4670995, 5338280, 7473592, 9341990, 10676560, 14947184, 18683980, 37367960, 74735920]

約数ペア:

[(1, 74735920), (2, 37367960), (4, 18683980), (5, 14947184), (7, 10676560), (8, 9341990), (10, 7473592), (14, 5338280), (16, 4670995), (20, 3736796), (28, 2669140), (35, 2135312), (40, 1868398), (56, 1334570), (70, 1067656), (80, 934199), (112, 667285), (140, 533828), (280, 266914), (317, 235760), (421, 177520), (560, 133457), (634, 117880), (842, 88760), (1268, 58940), (1585, 47152), (1684, 44380), (2105, 35504), (2219, 33680), (2536, 29470), (2947, 25360), (3170, 23576), (3368, 22190), (4210, 17752), (4438, 16840), (5072, 14735), (5894, 12680), (6340, 11788), (6736, 11095), (8420, 8876)]