149654320

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2273}}^1$

素因数の和:3109

約数の個数: 40

約数和(自身を含む): 348522336

約数和(自身を除く): 198868016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 1646, 2273, 3292, 4115, 4546, 6584, 8230, 9092, 11365, 13168, 16460, 18184, 22730, 32920, 36368, 45460, 65840, 90920, 181840, 1870679, 3741358, 7482716, 9353395, 14965432, 18706790, 29930864, 37413580, 74827160, 149654320]

約数ペア:

[(1, 149654320), (2, 74827160), (4, 37413580), (5, 29930864), (8, 18706790), (10, 14965432), (16, 9353395), (20, 7482716), (40, 3741358), (80, 1870679), (823, 181840), (1646, 90920), (2273, 65840), (3292, 45460), (4115, 36368), (4546, 32920), (6584, 22730), (8230, 18184), (9092, 16460), (11365, 13168)]