138823160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{495797}}^1$

素因数の和:495815

約数の個数: 32

約数和(自身を含む): 356974560

約数和(自身を除く): 218151400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 495797, 991594, 1983188, 2478985, 3470579, 3966376, 4957970, 6941158, 9915940, 13882316, 17352895, 19831880, 27764632, 34705790, 69411580, 138823160]

約数ペア:

[(1, 138823160), (2, 69411580), (4, 34705790), (5, 27764632), (7, 19831880), (8, 17352895), (10, 13882316), (14, 9915940), (20, 6941158), (28, 4957970), (35, 3966376), (40, 3470579), (56, 2478985), (70, 1983188), (140, 991594), (280, 495797)]