42718220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 91990080

約数和(自身を除く): 49271860

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 233, 356, 412, 445, 466, 515, 890, 932, 1030, 1165, 1780, 2060, 2330, 4660, 9167, 18334, 20737, 23999, 36668, 41474, 45835, 47998, 82948, 91670, 95996, 103685, 119995, 183340, 207370, 239990, 414740, 479980, 2135911, 4271822, 8543644, 10679555, 21359110, 42718220]

約数ペア:

[(1, 42718220), (2, 21359110), (4, 10679555), (5, 8543644), (10, 4271822), (20, 2135911), (89, 479980), (103, 414740), (178, 239990), (206, 207370), (233, 183340), (356, 119995), (412, 103685), (445, 95996), (466, 91670), (515, 82948), (890, 47998), (932, 45835), (1030, 41474), (1165, 36668), (1780, 23999), (2060, 20737), (2330, 18334), (4660, 9167)]