91989990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1361}}^1$

素因数の和:2125

約数の個数: 48

約数和(自身を含む): 239668416

約数和(自身を除く): 147678426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 751, 1361, 1502, 2253, 2722, 3755, 4083, 4506, 6759, 6805, 7510, 8166, 11265, 12249, 13518, 13610, 20415, 22530, 24498, 33795, 40830, 61245, 67590, 122490, 1022111, 2044222, 3066333, 5110555, 6132666, 9198999, 10221110, 15331665, 18397998, 30663330, 45994995, 91989990]

約数ペア:

[(1, 91989990), (2, 45994995), (3, 30663330), (5, 18397998), (6, 15331665), (9, 10221110), (10, 9198999), (15, 6132666), (18, 5110555), (30, 3066333), (45, 2044222), (90, 1022111), (751, 122490), (1361, 67590), (1502, 61245), (2253, 40830), (2722, 33795), (3755, 24498), (4083, 22530), (4506, 20415), (6759, 13610), (6805, 13518), (7510, 12249), (8166, 11265)]