15209500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 34987680

約数和(自身を除く): 19778180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1601, 1900, 2375, 3202, 4750, 6404, 8005, 9500, 16010, 30419, 32020, 40025, 60838, 80050, 121676, 152095, 160100, 200125, 304190, 400250, 608380, 760475, 800500, 1520950, 3041900, 3802375, 7604750, 15209500]

約数ペア:

[(1, 15209500), (2, 7604750), (4, 3802375), (5, 3041900), (10, 1520950), (19, 800500), (20, 760475), (25, 608380), (38, 400250), (50, 304190), (76, 200125), (95, 160100), (100, 152095), (125, 121676), (190, 80050), (250, 60838), (380, 40025), (475, 32020), (500, 30419), (950, 16010), (1601, 9500), (1900, 8005), (2375, 6404), (3202, 4750)]