3218500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 7246512

約数和(自身を除く): 4028012

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 157, 164, 205, 250, 314, 410, 500, 628, 785, 820, 1025, 1570, 2050, 3140, 3925, 4100, 5125, 6437, 7850, 10250, 12874, 15700, 19625, 20500, 25748, 32185, 39250, 64370, 78500, 128740, 160925, 321850, 643700, 804625, 1609250, 3218500]

約数ペア:

[(1, 3218500), (2, 1609250), (4, 804625), (5, 643700), (10, 321850), (20, 160925), (25, 128740), (41, 78500), (50, 64370), (82, 39250), (100, 32185), (125, 25748), (157, 20500), (164, 19625), (205, 15700), (250, 12874), (314, 10250), (410, 7850), (500, 6437), (628, 5125), (785, 4100), (820, 3925), (1025, 3140), (1570, 2050)]