30929000

素因数分解:

$2^3\times 5^3\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 73204560

約数和(自身を除く): 42275560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 157, 197, 200, 250, 314, 394, 500, 628, 785, 788, 985, 1000, 1256, 1570, 1576, 1970, 3140, 3925, 3940, 4925, 6280, 7850, 7880, 9850, 15700, 19625, 19700, 24625, 30929, 31400, 39250, 39400, 49250, 61858, 78500, 98500, 123716, 154645, 157000, 197000, 247432, 309290, 618580, 773225, 1237160, 1546450, 3092900, 3866125, 6185800, 7732250, 15464500, 30929000]

約数ペア:

[(1, 30929000), (2, 15464500), (4, 7732250), (5, 6185800), (8, 3866125), (10, 3092900), (20, 1546450), (25, 1237160), (40, 773225), (50, 618580), (100, 309290), (125, 247432), (157, 197000), (197, 157000), (200, 154645), (250, 123716), (314, 98500), (394, 78500), (500, 61858), (628, 49250), (785, 39400), (788, 39250), (985, 31400), (1000, 30929), (1256, 24625), (1570, 19700), (1576, 19625), (1970, 15700), (3140, 9850), (3925, 7880), (3940, 7850), (4925, 6280)]