1989105210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{9871}}^1$

素因数の和:12123

約数の個数: 48

約数和(自身を含む): 5174507520

約数和(自身を除く): 3185402310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2239, 4478, 6717, 9871, 11195, 13434, 19742, 20151, 22390, 29613, 33585, 40302, 49355, 59226, 67170, 88839, 98710, 100755, 148065, 177678, 201510, 296130, 444195, 888390, 22101169, 44202338, 66303507, 110505845, 132607014, 198910521, 221011690, 331517535, 397821042, 663035070, 994552605, 1989105210]

約数ペア:

[(1, 1989105210), (2, 994552605), (3, 663035070), (5, 397821042), (6, 331517535), (9, 221011690), (10, 198910521), (15, 132607014), (18, 110505845), (30, 66303507), (45, 44202338), (90, 22101169), (2239, 888390), (4478, 444195), (6717, 296130), (9871, 201510), (11195, 177678), (13434, 148065), (19742, 100755), (20151, 98710), (22390, 88839), (29613, 67170), (33585, 59226), (40302, 49355)]