858378980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1\times {\mathrm{599}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 1822262400

約数和(自身を除く): 963883420

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 523, 548, 599, 685, 1046, 1198, 1370, 2092, 2396, 2615, 2740, 2995, 5230, 5990, 10460, 11980, 71651, 82063, 143302, 164126, 286604, 313277, 328252, 358255, 410315, 626554, 716510, 820630, 1253108, 1433020, 1566385, 1641260, 3132770, 6265540, 42918949, 85837898, 171675796, 214594745, 429189490, 858378980]

約数ペア:

[(1, 858378980), (2, 429189490), (4, 214594745), (5, 171675796), (10, 85837898), (20, 42918949), (137, 6265540), (274, 3132770), (523, 1641260), (548, 1566385), (599, 1433020), (685, 1253108), (1046, 820630), (1198, 716510), (1370, 626554), (2092, 410315), (2396, 358255), (2615, 328252), (2740, 313277), (2995, 286604), (5230, 164126), (5990, 143302), (10460, 82063), (11980, 71651)]