90086890

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 75023510

約数列:

[1, 2, 5, 10, 103, 149, 206, 298, 515, 587, 745, 1030, 1174, 1490, 2935, 5870, 15347, 30694, 60461, 76735, 87463, 120922, 153470, 174926, 302305, 437315, 604610, 874630, 9008689, 18017378, 45043445, 90086890]

約数ペア:

[(1, 90086890), (2, 45043445), (5, 18017378), (10, 9008689), (103, 874630), (149, 604610), (206, 437315), (298, 302305), (515, 174926), (587, 153470), (745, 120922), (1030, 87463), (1174, 76735), (1490, 60461), (2935, 30694), (5870, 15347)]