149153320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{41897}}^1$

素因数の和:41997

約数の個数: 32

約数和(自身を含む): 339373800

約数和(自身を除く): 190220480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 41897, 83794, 167588, 209485, 335176, 418970, 837940, 1675880, 3728833, 7457666, 14915332, 18644165, 29830664, 37288330, 74576660, 149153320]

約数ペア:

[(1, 149153320), (2, 74576660), (4, 37288330), (5, 29830664), (8, 18644165), (10, 14915332), (20, 7457666), (40, 3728833), (89, 1675880), (178, 837940), (356, 418970), (445, 335176), (712, 209485), (890, 167588), (1780, 83794), (3560, 41897)]