207850520

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{13931}}^1$

素因数の和:14315

約数の個数: 32

約数和(自身を含む): 468951120

約数和(自身を除く): 261100600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 13931, 14920, 27862, 55724, 69655, 111448, 139310, 278620, 557240, 5196263, 10392526, 20785052, 25981315, 41570104, 51962630, 103925260, 207850520]

約数ペア:

[(1, 207850520), (2, 103925260), (4, 51962630), (5, 41570104), (8, 25981315), (10, 20785052), (20, 10392526), (40, 5196263), (373, 557240), (746, 278620), (1492, 139310), (1865, 111448), (2984, 69655), (3730, 55724), (7460, 27862), (13931, 14920)]