38940500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4099}}^1$

素因数の和:4137

約数の個数: 48

約数和(自身を含む): 89544000

約数和(自身を除く): 50603500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4099, 4750, 8198, 9500, 16396, 20495, 40990, 77881, 81980, 102475, 155762, 204950, 311524, 389405, 409900, 512375, 778810, 1024750, 1557620, 1947025, 2049500, 3894050, 7788100, 9735125, 19470250, 38940500]

約数ペア:

[(1, 38940500), (2, 19470250), (4, 9735125), (5, 7788100), (10, 3894050), (19, 2049500), (20, 1947025), (25, 1557620), (38, 1024750), (50, 778810), (76, 512375), (95, 409900), (100, 389405), (125, 311524), (190, 204950), (250, 155762), (380, 102475), (475, 81980), (500, 77881), (950, 40990), (1900, 20495), (2375, 16396), (4099, 9500), (4750, 8198)]