144485240

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3623}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 325507680

約数和(自身を除く): 181022440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3623, 3988, 4985, 7246, 7976, 9970, 14492, 18115, 19940, 28984, 36230, 39880, 72460, 144920, 3612131, 7224262, 14448524, 18060655, 28897048, 36121310, 72242620, 144485240]

約数ペア:

[(1, 144485240), (2, 72242620), (4, 36121310), (5, 28897048), (8, 18060655), (10, 14448524), (20, 7224262), (40, 3612131), (997, 144920), (1994, 72460), (3623, 39880), (3988, 36230), (4985, 28984), (7246, 19940), (7976, 18115), (9970, 14492)]