9917900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 54

約数和(自身を含む): 22433460

約数和(自身を除く): 12515560

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 59, 82, 100, 118, 164, 205, 236, 295, 410, 590, 820, 1025, 1180, 1475, 1681, 2050, 2419, 2950, 3362, 4100, 4838, 5900, 6724, 8405, 9676, 12095, 16810, 24190, 33620, 42025, 48380, 60475, 84050, 99179, 120950, 168100, 198358, 241900, 396716, 495895, 991790, 1983580, 2479475, 4958950, 9917900]

約数ペア:

[(1, 9917900), (2, 4958950), (4, 2479475), (5, 1983580), (10, 991790), (20, 495895), (25, 396716), (41, 241900), (50, 198358), (59, 168100), (82, 120950), (100, 99179), (118, 84050), (164, 60475), (205, 48380), (236, 42025), (295, 33620), (410, 24190), (590, 16810), (820, 12095), (1025, 9676), (1180, 8405), (1475, 6724), (1681, 5900), (2050, 4838), (2419, 4100), (2950, 3362)]