28974680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14783}}^1$

素因数の和:14808

約数の個数: 48

約数和(自身を含む): 75841920

約数和(自身を除く): 46867240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14783, 29566, 59132, 73915, 103481, 118264, 147830, 206962, 295660, 413924, 517405, 591320, 724367, 827848, 1034810, 1448734, 2069620, 2897468, 3621835, 4139240, 5794936, 7243670, 14487340, 28974680]

約数ペア:

[(1, 28974680), (2, 14487340), (4, 7243670), (5, 5794936), (7, 4139240), (8, 3621835), (10, 2897468), (14, 2069620), (20, 1448734), (28, 1034810), (35, 827848), (40, 724367), (49, 591320), (56, 517405), (70, 413924), (98, 295660), (140, 206962), (196, 147830), (245, 118264), (280, 103481), (392, 73915), (490, 59132), (980, 29566), (1960, 14783)]