57290680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 137557440

約数和(自身を除く): 80266760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 340, 346, 487, 680, 692, 865, 974, 1384, 1730, 1948, 2435, 2941, 3460, 3896, 4870, 5882, 6920, 8279, 9740, 11764, 14705, 16558, 19480, 23528, 29410, 33116, 41395, 58820, 66232, 82790, 84251, 117640, 165580, 168502, 331160, 337004, 421255, 674008, 842510, 1432267, 1685020, 2864534, 3370040, 5729068, 7161335, 11458136, 14322670, 28645340, 57290680]

約数ペア:

[(1, 57290680), (2, 28645340), (4, 14322670), (5, 11458136), (8, 7161335), (10, 5729068), (17, 3370040), (20, 2864534), (34, 1685020), (40, 1432267), (68, 842510), (85, 674008), (136, 421255), (170, 337004), (173, 331160), (340, 168502), (346, 165580), (487, 117640), (680, 84251), (692, 82790), (865, 66232), (974, 58820), (1384, 41395), (1730, 33116), (1948, 29410), (2435, 23528), (2941, 19480), (3460, 16558), (3896, 14705), (4870, 11764), (5882, 9740), (6920, 8279)]