168206840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247363}}^1$

素因数の和:247391

約数の個数: 32

約数和(自身を含む): 400729680

約数和(自身を除く): 232522840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 247363, 494726, 989452, 1236815, 1978904, 2473630, 4205171, 4947260, 8410342, 9894520, 16820684, 21025855, 33641368, 42051710, 84103420, 168206840]

約数ペア:

[(1, 168206840), (2, 84103420), (4, 42051710), (5, 33641368), (8, 21025855), (10, 16820684), (17, 9894520), (20, 8410342), (34, 4947260), (40, 4205171), (68, 2473630), (85, 1978904), (136, 1236815), (170, 989452), (340, 494726), (680, 247363)]