171832120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70423}}^1$

素因数の和:70495

約数の個数: 32

約数和(自身を含む): 392965920

約数和(自身を除く): 221133800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 70423, 140846, 281692, 352115, 563384, 704230, 1408460, 2816920, 4295803, 8591606, 17183212, 21479015, 34366424, 42958030, 85916060, 171832120]

約数ペア:

[(1, 171832120), (2, 85916060), (4, 42958030), (5, 34366424), (8, 21479015), (10, 17183212), (20, 8591606), (40, 4295803), (61, 2816920), (122, 1408460), (244, 704230), (305, 563384), (488, 352115), (610, 281692), (1220, 140846), (2440, 70423)]