30999320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 46760680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1499, 1880, 2068, 2585, 2998, 4136, 5170, 5996, 7495, 10340, 11992, 14990, 16489, 20680, 29980, 32978, 59960, 65956, 70453, 82445, 131912, 140906, 164890, 281812, 329780, 352265, 563624, 659560, 704530, 774983, 1409060, 1549966, 2818120, 3099932, 3874915, 6199864, 7749830, 15499660, 30999320]

約数ペア:

[(1, 30999320), (2, 15499660), (4, 7749830), (5, 6199864), (8, 3874915), (10, 3099932), (11, 2818120), (20, 1549966), (22, 1409060), (40, 774983), (44, 704530), (47, 659560), (55, 563624), (88, 352265), (94, 329780), (110, 281812), (188, 164890), (220, 140906), (235, 131912), (376, 82445), (440, 70453), (470, 65956), (517, 59960), (940, 32978), (1034, 29980), (1499, 20680), (1880, 16489), (2068, 14990), (2585, 11992), (2998, 10340), (4136, 7495), (5170, 5996)]