142526840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{114941}}^1$

素因数の和:114983

約数の個数: 32

約数和(自身を含む): 331032960

約数和(自身を除く): 188506120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 114941, 229882, 459764, 574705, 919528, 1149410, 2298820, 3563171, 4597640, 7126342, 14252684, 17815855, 28505368, 35631710, 71263420, 142526840]

約数ペア:

[(1, 142526840), (2, 71263420), (4, 35631710), (5, 28505368), (8, 17815855), (10, 14252684), (20, 7126342), (31, 4597640), (40, 3563171), (62, 2298820), (124, 1149410), (155, 919528), (248, 574705), (310, 459764), (620, 229882), (1240, 114941)]