141980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 309120

約数和(自身を除く): 167140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 1145, 2290, 4580, 7099, 14198, 28396, 35495, 70990, 141980]

約数ペア:

[(1, 141980), (2, 70990), (4, 35495), (5, 28396), (10, 14198), (20, 7099), (31, 4580), (62, 2290), (124, 1145), (155, 916), (229, 620), (310, 458)]