890807680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{198841}}^1$

素因数の和:198867

約数の個数: 64

約数和(自身を含む): 2433826080

約数和(自身を除く): 1543018400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 198841, 397682, 795364, 994205, 1391887, 1590728, 1988410, 2783774, 3181456, 3976820, 5567548, 6362912, 6959435, 7953640, 11135096, 12725824, 13918870, 15907280, 22270192, 25451648, 27837740, 31814560, 44540384, 55675480, 63629120, 89080768, 111350960, 127258240, 178161536, 222701920, 445403840, 890807680]

約数ペア:

[(1, 890807680), (2, 445403840), (4, 222701920), (5, 178161536), (7, 127258240), (8, 111350960), (10, 89080768), (14, 63629120), (16, 55675480), (20, 44540384), (28, 31814560), (32, 27837740), (35, 25451648), (40, 22270192), (56, 15907280), (64, 13918870), (70, 12725824), (80, 11135096), (112, 7953640), (128, 6959435), (140, 6362912), (160, 5567548), (224, 3976820), (280, 3181456), (320, 2783774), (448, 1988410), (560, 1590728), (640, 1391887), (896, 994205), (1120, 795364), (2240, 397682), (4480, 198841)]