1990332900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{2211481}}^1$

素因数の和:2211501

約数の個数: 54

約数和(自身を含む): 6238590722

約数和(自身を除く): 4248257822

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 2211481, 4422962, 6634443, 8845924, 11057405, 13268886, 19903329, 22114810, 26537772, 33172215, 39806658, 44229620, 55287025, 66344430, 79613316, 99516645, 110574050, 132688860, 165861075, 199033290, 221148100, 331722150, 398066580, 497583225, 663444300, 995166450, 1990332900]

約数ペア:

[(1, 1990332900), (2, 995166450), (3, 663444300), (4, 497583225), (5, 398066580), (6, 331722150), (9, 221148100), (10, 199033290), (12, 165861075), (15, 132688860), (18, 110574050), (20, 99516645), (25, 79613316), (30, 66344430), (36, 55287025), (45, 44229620), (50, 39806658), (60, 33172215), (75, 26537772), (90, 22114810), (100, 19903329), (150, 13268886), (180, 11057405), (225, 8845924), (300, 6634443), (450, 4422962), (900, 2211481)]