197209750

素因数分解:

$2^1\times 5^3\times {\mathrm{397}}^1\times {\mathrm{1987}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 370292832

約数和(自身を除く): 173083082

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 397, 794, 1985, 1987, 3970, 3974, 9925, 9935, 19850, 19870, 49625, 49675, 99250, 99350, 248375, 496750, 788839, 1577678, 3944195, 7888390, 19720975, 39441950, 98604875, 197209750]

約数ペア:

[(1, 197209750), (2, 98604875), (5, 39441950), (10, 19720975), (25, 7888390), (50, 3944195), (125, 1577678), (250, 788839), (397, 496750), (794, 248375), (1985, 99350), (1987, 99250), (3970, 49675), (3974, 49625), (9925, 19870), (9935, 19850)]