817504580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 1734188400

約数和(自身を除く): 916683820

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 349, 677, 692, 698, 865, 1354, 1396, 1730, 1745, 2708, 3385, 3460, 3490, 6770, 6980, 13540, 60377, 117121, 120754, 234242, 236273, 241508, 301885, 468484, 472546, 585605, 603770, 945092, 1171210, 1181365, 1207540, 2342420, 2362730, 4725460, 40875229, 81750458, 163500916, 204376145, 408752290, 817504580]

約数ペア:

[(1, 817504580), (2, 408752290), (4, 204376145), (5, 163500916), (10, 81750458), (20, 40875229), (173, 4725460), (346, 2362730), (349, 2342420), (677, 1207540), (692, 1181365), (698, 1171210), (865, 945092), (1354, 603770), (1396, 585605), (1730, 472546), (1745, 468484), (2708, 301885), (3385, 241508), (3460, 236273), (3490, 234242), (6770, 120754), (6980, 117121), (13540, 60377)]