428677260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{649511}}^1$

素因数の和:649534

約数の個数: 48

約数和(自身を含む): 1309416192

約数和(自身を除く): 880738932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 649511, 1299022, 1948533, 2598044, 3247555, 3897066, 6495110, 7144621, 7794132, 9742665, 12990220, 14289242, 19485330, 21433863, 28578484, 35723105, 38970660, 42867726, 71446210, 85735452, 107169315, 142892420, 214338630, 428677260]

約数ペア:

[(1, 428677260), (2, 214338630), (3, 142892420), (4, 107169315), (5, 85735452), (6, 71446210), (10, 42867726), (11, 38970660), (12, 35723105), (15, 28578484), (20, 21433863), (22, 19485330), (30, 14289242), (33, 12990220), (44, 9742665), (55, 7794132), (60, 7144621), (66, 6495110), (110, 3897066), (132, 3247555), (165, 2598044), (220, 1948533), (330, 1299022), (660, 649511)]