1617238040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{78203}}^1$

素因数の和:78272

約数の個数: 64

約数和(自身を含む): 4054095360

約数和(自身を除く): 2436857320

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, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 78203, 156406, 312812, 391015, 625624, 782030, 860233, 1564060, 1720466, 3128120, 3440932, 3675541, 4301165, 6881864, 7351082, 8602330, 14702164, 17204660, 18377705, 29404328, 34409320, 36755410, 40430951, 73510820, 80861902, 147021640, 161723804, 202154755, 323447608, 404309510, 808619020, 1617238040]

約数ペア:

[(1, 1617238040), (2, 808619020), (4, 404309510), (5, 323447608), (8, 202154755), (10, 161723804), (11, 147021640), (20, 80861902), (22, 73510820), (40, 40430951), (44, 36755410), (47, 34409320), (55, 29404328), (88, 18377705), (94, 17204660), (110, 14702164), (188, 8602330), (220, 7351082), (235, 6881864), (376, 4301165), (440, 3675541), (470, 3440932), (517, 3128120), (940, 1720466), (1034, 1564060), (1880, 860233), (2068, 782030), (2585, 625624), (4136, 391015), (5170, 312812), (10340, 156406), (20680, 78203)]