215513800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 519073920

約数和(自身を除く): 303560120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 101, 188, 200, 202, 227, 235, 376, 404, 454, 470, 505, 808, 908, 940, 1010, 1135, 1175, 1816, 1880, 2020, 2270, 2350, 2525, 4040, 4540, 4700, 4747, 5050, 5675, 9080, 9400, 9494, 10100, 10669, 11350, 18988, 20200, 21338, 22700, 22927, 23735, 37976, 42676, 45400, 45854, 47470, 53345, 85352, 91708, 94940, 106690, 114635, 118675, 183416, 189880, 213380, 229270, 237350, 266725, 426760, 458540, 474700, 533450, 573175, 917080, 949400, 1066900, 1077569, 1146350, 2133800, 2155138, 2292700, 4310276, 4585400, 5387845, 8620552, 10775690, 21551380, 26939225, 43102760, 53878450, 107756900, 215513800]

約数ペア:

[(1, 215513800), (2, 107756900), (4, 53878450), (5, 43102760), (8, 26939225), (10, 21551380), (20, 10775690), (25, 8620552), (40, 5387845), (47, 4585400), (50, 4310276), (94, 2292700), (100, 2155138), (101, 2133800), (188, 1146350), (200, 1077569), (202, 1066900), (227, 949400), (235, 917080), (376, 573175), (404, 533450), (454, 474700), (470, 458540), (505, 426760), (808, 266725), (908, 237350), (940, 229270), (1010, 213380), (1135, 189880), (1175, 183416), (1816, 118675), (1880, 114635), (2020, 106690), (2270, 94940), (2350, 91708), (2525, 85352), (4040, 53345), (4540, 47470), (4700, 45854), (4747, 45400), (5050, 42676), (5675, 37976), (9080, 23735), (9400, 22927), (9494, 22700), (10100, 21338), (10669, 20200), (11350, 18988)]