90729320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206203}}^1$

素因数の和:206225

約数の個数: 32

約数和(自身を含む): 222700320

約数和(自身を除く): 131971000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206203, 412406, 824812, 1031015, 1649624, 2062030, 2268233, 4124060, 4536466, 8248120, 9072932, 11341165, 18145864, 22682330, 45364660, 90729320]

約数ペア:

[(1, 90729320), (2, 45364660), (4, 22682330), (5, 18145864), (8, 11341165), (10, 9072932), (11, 8248120), (20, 4536466), (22, 4124060), (40, 2268233), (44, 2062030), (55, 1649624), (88, 1031015), (110, 824812), (220, 412406), (440, 206203)]