17173940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 41913984

約数和(自身を除く): 24740044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2011, 2135, 4022, 4270, 8044, 8540, 10055, 14077, 20110, 28154, 40220, 56308, 70385, 122671, 140770, 245342, 281540, 490684, 613355, 858697, 1226710, 1717394, 2453420, 3434788, 4293485, 8586970, 17173940]

約数ペア:

[(1, 17173940), (2, 8586970), (4, 4293485), (5, 3434788), (7, 2453420), (10, 1717394), (14, 1226710), (20, 858697), (28, 613355), (35, 490684), (61, 281540), (70, 245342), (122, 140770), (140, 122671), (244, 70385), (305, 56308), (427, 40220), (610, 28154), (854, 20110), (1220, 14077), (1708, 10055), (2011, 8540), (2135, 8044), (4022, 4270)]