290202160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117017}}^1$

素因数の和:117061

約数の個数: 40

約数和(自身を含む): 696491136

約数和(自身を除く): 406288976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 117017, 234034, 468068, 585085, 936136, 1170170, 1872272, 2340340, 3627527, 4680680, 7255054, 9361360, 14510108, 18137635, 29020216, 36275270, 58040432, 72550540, 145101080, 290202160]

約数ペア:

[(1, 290202160), (2, 145101080), (4, 72550540), (5, 58040432), (8, 36275270), (10, 29020216), (16, 18137635), (20, 14510108), (31, 9361360), (40, 7255054), (62, 4680680), (80, 3627527), (124, 2340340), (155, 1872272), (248, 1170170), (310, 936136), (496, 585085), (620, 468068), (1240, 234034), (2480, 117017)]