149487980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{90053}}^1$

素因数の和:90145

約数の個数: 24

約数和(自身を含む): 317710512

約数和(自身を除く): 168222532

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 90053, 180106, 360212, 450265, 900530, 1801060, 7474399, 14948798, 29897596, 37371995, 74743990, 149487980]

約数ペア:

[(1, 149487980), (2, 74743990), (4, 37371995), (5, 29897596), (10, 14948798), (20, 7474399), (83, 1801060), (166, 900530), (332, 450265), (415, 360212), (830, 180106), (1660, 90053)]