858482380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197807}}^1$

素因数の和:197854

約数の個数: 48

約数和(自身を含む): 2126831616

約数和(自身を除く): 1268349236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 197807, 395614, 791228, 989035, 1384649, 1978070, 2769298, 3956140, 5538596, 6132017, 6923245, 12264034, 13846490, 24528068, 27692980, 30660085, 42924119, 61320170, 85848238, 122640340, 171696476, 214620595, 429241190, 858482380]

約数ペア:

[(1, 858482380), (2, 429241190), (4, 214620595), (5, 171696476), (7, 122640340), (10, 85848238), (14, 61320170), (20, 42924119), (28, 30660085), (31, 27692980), (35, 24528068), (62, 13846490), (70, 12264034), (124, 6923245), (140, 6132017), (155, 5538596), (217, 3956140), (310, 2769298), (434, 1978070), (620, 1384649), (868, 989035), (1085, 791228), (2170, 395614), (4340, 197807)]