158242280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1997}}^1$

素因数の和:2298

約数の個数: 64

約数和(自身を含む): 408551040

約数和(自身を除く): 250308760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 1997, 2264, 2830, 3962, 3994, 5660, 7924, 7988, 9905, 9985, 11320, 13979, 15848, 15976, 19810, 19970, 27958, 39620, 39940, 55916, 69895, 79240, 79880, 111832, 139790, 279580, 559160, 565151, 1130302, 2260604, 2825755, 3956057, 4521208, 5651510, 7912114, 11303020, 15824228, 19780285, 22606040, 31648456, 39560570, 79121140, 158242280]

約数ペア:

[(1, 158242280), (2, 79121140), (4, 39560570), (5, 31648456), (7, 22606040), (8, 19780285), (10, 15824228), (14, 11303020), (20, 7912114), (28, 5651510), (35, 4521208), (40, 3956057), (56, 2825755), (70, 2260604), (140, 1130302), (280, 565151), (283, 559160), (566, 279580), (1132, 139790), (1415, 111832), (1981, 79880), (1997, 79240), (2264, 69895), (2830, 55916), (3962, 39940), (3994, 39620), (5660, 27958), (7924, 19970), (7988, 19810), (9905, 15976), (9985, 15848), (11320, 13979)]