202197520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51581}}^1$

素因数の和:51608

約数の個数: 60

約数和(自身を含む): 546872364

約数和(自身を除く): 344674844

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51581, 103162, 206324, 257905, 361067, 412648, 515810, 722134, 825296, 1031620, 1444268, 1805335, 2063240, 2527469, 2888536, 3610670, 4126480, 5054938, 5777072, 7221340, 10109876, 12637345, 14442680, 20219752, 25274690, 28885360, 40439504, 50549380, 101098760, 202197520]

約数ペア:

[(1, 202197520), (2, 101098760), (4, 50549380), (5, 40439504), (7, 28885360), (8, 25274690), (10, 20219752), (14, 14442680), (16, 12637345), (20, 10109876), (28, 7221340), (35, 5777072), (40, 5054938), (49, 4126480), (56, 3610670), (70, 2888536), (80, 2527469), (98, 2063240), (112, 1805335), (140, 1444268), (196, 1031620), (245, 825296), (280, 722134), (392, 515810), (490, 412648), (560, 361067), (784, 257905), (980, 206324), (1960, 103162), (3920, 51581)]