9899560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 24624000

約数和(自身を除く): 14724440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 151, 220, 298, 302, 440, 596, 604, 745, 755, 1192, 1208, 1490, 1510, 1639, 1661, 2980, 3020, 3278, 3322, 5960, 6040, 6556, 6644, 8195, 8305, 13112, 13288, 16390, 16610, 22499, 32780, 33220, 44998, 65560, 66440, 89996, 112495, 179992, 224990, 247489, 449980, 494978, 899960, 989956, 1237445, 1979912, 2474890, 4949780, 9899560]

約数ペア:

[(1, 9899560), (2, 4949780), (4, 2474890), (5, 1979912), (8, 1237445), (10, 989956), (11, 899960), (20, 494978), (22, 449980), (40, 247489), (44, 224990), (55, 179992), (88, 112495), (110, 89996), (149, 66440), (151, 65560), (220, 44998), (298, 33220), (302, 32780), (440, 22499), (596, 16610), (604, 16390), (745, 13288), (755, 13112), (1192, 8305), (1208, 8195), (1490, 6644), (1510, 6556), (1639, 6040), (1661, 5960), (2980, 3322), (3020, 3278)]