200920940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 479533824

約数和(自身を除く): 278612884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 67, 86, 110, 134, 172, 215, 220, 268, 317, 335, 430, 473, 634, 670, 737, 860, 946, 1268, 1340, 1474, 1585, 1892, 2365, 2881, 2948, 3170, 3487, 3685, 4730, 5762, 6340, 6974, 7370, 9460, 11524, 13631, 13948, 14405, 14740, 17435, 21239, 27262, 28810, 31691, 34870, 42478, 54524, 57620, 63382, 68155, 69740, 84956, 106195, 126764, 136310, 149941, 158455, 212390, 233629, 272620, 299882, 316910, 424780, 467258, 599764, 633820, 749705, 913277, 934516, 1168145, 1499410, 1826554, 2336290, 2998820, 3653108, 4566385, 4672580, 9132770, 10046047, 18265540, 20092094, 40184188, 50230235, 100460470, 200920940]

約数ペア:

[(1, 200920940), (2, 100460470), (4, 50230235), (5, 40184188), (10, 20092094), (11, 18265540), (20, 10046047), (22, 9132770), (43, 4672580), (44, 4566385), (55, 3653108), (67, 2998820), (86, 2336290), (110, 1826554), (134, 1499410), (172, 1168145), (215, 934516), (220, 913277), (268, 749705), (317, 633820), (335, 599764), (430, 467258), (473, 424780), (634, 316910), (670, 299882), (737, 272620), (860, 233629), (946, 212390), (1268, 158455), (1340, 149941), (1474, 136310), (1585, 126764), (1892, 106195), (2365, 84956), (2881, 69740), (2948, 68155), (3170, 63382), (3487, 57620), (3685, 54524), (4730, 42478), (5762, 34870), (6340, 31691), (6974, 28810), (7370, 27262), (9460, 21239), (11524, 17435), (13631, 14740), (13948, 14405)]