64438220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41843}}^1$

素因数の和:41870

約数の個数: 48

約数和(自身を含む): 168715008

約数和(自身を除く): 104276788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41843, 83686, 167372, 209215, 292901, 418430, 460273, 585802, 836860, 920546, 1171604, 1464505, 1841092, 2301365, 2929010, 3221911, 4602730, 5858020, 6443822, 9205460, 12887644, 16109555, 32219110, 64438220]

約数ペア:

[(1, 64438220), (2, 32219110), (4, 16109555), (5, 12887644), (7, 9205460), (10, 6443822), (11, 5858020), (14, 4602730), (20, 3221911), (22, 2929010), (28, 2301365), (35, 1841092), (44, 1464505), (55, 1171604), (70, 920546), (77, 836860), (110, 585802), (140, 460273), (154, 418430), (220, 292901), (308, 209215), (385, 167372), (770, 83686), (1540, 41843)]