17319940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 42431256

約数和(自身を除く): 25111316

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 421, 484, 605, 748, 842, 935, 1210, 1684, 1870, 2057, 2105, 2420, 3740, 4114, 4210, 4631, 7157, 8228, 8420, 9262, 10285, 14314, 18524, 20570, 23155, 28628, 35785, 41140, 46310, 50941, 71570, 78727, 92620, 101882, 143140, 157454, 203764, 254705, 314908, 393635, 509410, 787270, 865997, 1018820, 1574540, 1731994, 3463988, 4329985, 8659970, 17319940]

約数ペア:

[(1, 17319940), (2, 8659970), (4, 4329985), (5, 3463988), (10, 1731994), (11, 1574540), (17, 1018820), (20, 865997), (22, 787270), (34, 509410), (44, 393635), (55, 314908), (68, 254705), (85, 203764), (110, 157454), (121, 143140), (170, 101882), (187, 92620), (220, 78727), (242, 71570), (340, 50941), (374, 46310), (421, 41140), (484, 35785), (605, 28628), (748, 23155), (842, 20570), (935, 18524), (1210, 14314), (1684, 10285), (1870, 9262), (2057, 8420), (2105, 8228), (2420, 7157), (3740, 4631), (4114, 4210)]