171489160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 397742400

約数和(自身を除く): 226253240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 179, 215, 344, 358, 430, 557, 716, 860, 895, 1114, 1432, 1720, 1790, 2228, 2785, 3580, 4456, 5570, 7160, 7697, 11140, 15394, 22280, 23951, 30788, 38485, 47902, 61576, 76970, 95804, 99703, 119755, 153940, 191608, 199406, 239510, 307880, 398812, 479020, 498515, 797624, 958040, 997030, 1994060, 3988120, 4287229, 8574458, 17148916, 21436145, 34297832, 42872290, 85744580, 171489160]

約数ペア:

[(1, 171489160), (2, 85744580), (4, 42872290), (5, 34297832), (8, 21436145), (10, 17148916), (20, 8574458), (40, 4287229), (43, 3988120), (86, 1994060), (172, 997030), (179, 958040), (215, 797624), (344, 498515), (358, 479020), (430, 398812), (557, 307880), (716, 239510), (860, 199406), (895, 191608), (1114, 153940), (1432, 119755), (1720, 99703), (1790, 95804), (2228, 76970), (2785, 61576), (3580, 47902), (4456, 38485), (5570, 30788), (7160, 23951), (7697, 22280), (11140, 15394)]