142082020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 310464000

約数和(自身を除く): 168381980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1231, 1990, 2462, 3980, 4924, 5771, 6155, 11542, 12310, 23084, 24620, 28855, 35699, 57710, 71398, 115420, 142796, 178495, 244969, 356990, 489938, 713980, 979876, 1224845, 2449690, 4899380, 7104101, 14208202, 28416404, 35520505, 71041010, 142082020]

約数ペア:

[(1, 142082020), (2, 71041010), (4, 35520505), (5, 28416404), (10, 14208202), (20, 7104101), (29, 4899380), (58, 2449690), (116, 1224845), (145, 979876), (199, 713980), (290, 489938), (398, 356990), (580, 244969), (796, 178495), (995, 142796), (1231, 115420), (1990, 71398), (2462, 57710), (3980, 35699), (4924, 28855), (5771, 24620), (6155, 23084), (11542, 12310)]