16388900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 39747456

約数和(自身を除く): 23358556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 317, 470, 517, 550, 634, 940, 1034, 1100, 1175, 1268, 1585, 2068, 2350, 2585, 3170, 3487, 4700, 5170, 6340, 6974, 7925, 10340, 12925, 13948, 14899, 15850, 17435, 25850, 29798, 31700, 34870, 51700, 59596, 69740, 74495, 87175, 148990, 163889, 174350, 297980, 327778, 348700, 372475, 655556, 744950, 819445, 1489900, 1638890, 3277780, 4097225, 8194450, 16388900]

約数ペア:

[(1, 16388900), (2, 8194450), (4, 4097225), (5, 3277780), (10, 1638890), (11, 1489900), (20, 819445), (22, 744950), (25, 655556), (44, 372475), (47, 348700), (50, 327778), (55, 297980), (94, 174350), (100, 163889), (110, 148990), (188, 87175), (220, 74495), (235, 69740), (275, 59596), (317, 51700), (470, 34870), (517, 31700), (550, 29798), (634, 25850), (940, 17435), (1034, 15850), (1100, 14899), (1175, 13948), (1268, 12925), (1585, 10340), (2068, 7925), (2350, 6974), (2585, 6340), (3170, 5170), (3487, 4700)]