28173460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3299}}^1$

素因数の和:3376

約数の個数: 48

約数和(自身を含む): 68745600

約数和(自身を除く): 40572140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3299, 4270, 6598, 8540, 13196, 16495, 23093, 32990, 46186, 65980, 92372, 115465, 201239, 230930, 402478, 461860, 804956, 1006195, 1408673, 2012390, 2817346, 4024780, 5634692, 7043365, 14086730, 28173460]

約数ペア:

[(1, 28173460), (2, 14086730), (4, 7043365), (5, 5634692), (7, 4024780), (10, 2817346), (14, 2012390), (20, 1408673), (28, 1006195), (35, 804956), (61, 461860), (70, 402478), (122, 230930), (140, 201239), (244, 115465), (305, 92372), (427, 65980), (610, 46186), (854, 32990), (1220, 23093), (1708, 16495), (2135, 13196), (3299, 8540), (4270, 6598)]