157370800

素因数分解:

$2^4\times 5^2\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1406

約数の個数: 60

約数和(自身を含む): 379418176

約数和(自身を除く): 222047376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 397, 400, 794, 991, 1588, 1982, 1985, 3176, 3964, 3970, 4955, 6352, 7928, 7940, 9910, 9925, 15856, 15880, 19820, 19850, 24775, 31760, 39640, 39700, 49550, 79280, 79400, 99100, 158800, 198200, 393427, 396400, 786854, 1573708, 1967135, 3147416, 3934270, 6294832, 7868540, 9835675, 15737080, 19671350, 31474160, 39342700, 78685400, 157370800]

約数ペア:

[(1, 157370800), (2, 78685400), (4, 39342700), (5, 31474160), (8, 19671350), (10, 15737080), (16, 9835675), (20, 7868540), (25, 6294832), (40, 3934270), (50, 3147416), (80, 1967135), (100, 1573708), (200, 786854), (397, 396400), (400, 393427), (794, 198200), (991, 158800), (1588, 99100), (1982, 79400), (1985, 79280), (3176, 49550), (3964, 39700), (3970, 39640), (4955, 31760), (6352, 24775), (7928, 19850), (7940, 19820), (9910, 15880), (9925, 15856)]