1256221000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{11117}}^1$

素因数の和:11251

約数の個数: 64

約数和(自身を含む): 2965837680

約数和(自身を除く): 1709616680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 452, 500, 565, 904, 1000, 1130, 2260, 2825, 4520, 5650, 11117, 11300, 14125, 22234, 22600, 28250, 44468, 55585, 56500, 88936, 111170, 113000, 222340, 277925, 444680, 555850, 1111700, 1256221, 1389625, 2223400, 2512442, 2779250, 5024884, 5558500, 6281105, 10049768, 11117000, 12562210, 25124420, 31405525, 50248840, 62811050, 125622100, 157027625, 251244200, 314055250, 628110500, 1256221000]

約数ペア:

[(1, 1256221000), (2, 628110500), (4, 314055250), (5, 251244200), (8, 157027625), (10, 125622100), (20, 62811050), (25, 50248840), (40, 31405525), (50, 25124420), (100, 12562210), (113, 11117000), (125, 10049768), (200, 6281105), (226, 5558500), (250, 5024884), (452, 2779250), (500, 2512442), (565, 2223400), (904, 1389625), (1000, 1256221), (1130, 1111700), (2260, 555850), (2825, 444680), (4520, 277925), (5650, 222340), (11117, 113000), (11300, 111170), (14125, 88936), (22234, 56500), (22600, 55585), (28250, 44468)]