7877240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4019}}^1$

素因数の和:4044

約数の個数: 48

約数和(自身を含む): 20622600

約数和(自身を除く): 12745360

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, 4019, 8038, 16076, 20095, 28133, 32152, 40190, 56266, 80380, 112532, 140665, 160760, 196931, 225064, 281330, 393862, 562660, 787724, 984655, 1125320, 1575448, 1969310, 3938620, 7877240]

約数ペア:

[(1, 7877240), (2, 3938620), (4, 1969310), (5, 1575448), (7, 1125320), (8, 984655), (10, 787724), (14, 562660), (20, 393862), (28, 281330), (35, 225064), (40, 196931), (49, 160760), (56, 140665), (70, 112532), (98, 80380), (140, 56266), (196, 40190), (245, 32152), (280, 28133), (392, 20095), (490, 16076), (980, 8038), (1960, 4019)]