12345400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3631}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 30399840

約数和(自身を除く): 18054440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 3631, 7262, 14524, 18155, 29048, 36310, 61727, 72620, 90775, 123454, 145240, 181550, 246908, 308635, 363100, 493816, 617270, 726200, 1234540, 1543175, 2469080, 3086350, 6172700, 12345400]

約数ペア:

[(1, 12345400), (2, 6172700), (4, 3086350), (5, 2469080), (8, 1543175), (10, 1234540), (17, 726200), (20, 617270), (25, 493816), (34, 363100), (40, 308635), (50, 246908), (68, 181550), (85, 145240), (100, 123454), (136, 90775), (170, 72620), (200, 61727), (340, 36310), (425, 29048), (680, 18155), (850, 14524), (1700, 7262), (3400, 3631)]