168408680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{382747}}^1$

素因数の和:382769

約数の個数: 32

約数和(自身を含む): 413367840

約数和(自身を除く): 244959160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 382747, 765494, 1530988, 1913735, 3061976, 3827470, 4210217, 7654940, 8420434, 15309880, 16840868, 21051085, 33681736, 42102170, 84204340, 168408680]

約数ペア:

[(1, 168408680), (2, 84204340), (4, 42102170), (5, 33681736), (8, 21051085), (10, 16840868), (11, 15309880), (20, 8420434), (22, 7654940), (40, 4210217), (44, 3827470), (55, 3061976), (88, 1913735), (110, 1530988), (220, 765494), (440, 382747)]