169853980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{207139}}^1$

素因数の和:207189

約数の個数: 24

約数和(自身を含む): 365394960

約数和(自身を除く): 195540980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 207139, 414278, 828556, 1035695, 2071390, 4142780, 8492699, 16985398, 33970796, 42463495, 84926990, 169853980]

約数ペア:

[(1, 169853980), (2, 84926990), (4, 42463495), (5, 33970796), (10, 16985398), (20, 8492699), (41, 4142780), (82, 2071390), (164, 1035695), (205, 828556), (410, 414278), (820, 207139)]