90769780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 194463360

約数和(自身を除く): 103693580

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 278, 317, 412, 515, 556, 634, 695, 1030, 1268, 1390, 1585, 2060, 2780, 3170, 6340, 14317, 28634, 32651, 44063, 57268, 65302, 71585, 88126, 130604, 143170, 163255, 176252, 220315, 286340, 326510, 440630, 653020, 881260, 4538489, 9076978, 18153956, 22692445, 45384890, 90769780]

約数ペア:

[(1, 90769780), (2, 45384890), (4, 22692445), (5, 18153956), (10, 9076978), (20, 4538489), (103, 881260), (139, 653020), (206, 440630), (278, 326510), (317, 286340), (412, 220315), (515, 176252), (556, 163255), (634, 143170), (695, 130604), (1030, 88126), (1268, 71585), (1390, 65302), (1585, 57268), (2060, 44063), (2780, 32651), (3170, 28634), (6340, 14317)]