7905940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 19152000

約数和(自身を除く): 11246060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 379, 596, 745, 758, 1043, 1490, 1516, 1895, 2086, 2653, 2980, 3790, 4172, 5215, 5306, 7580, 10430, 10612, 13265, 20860, 26530, 53060, 56471, 112942, 225884, 282355, 395297, 564710, 790594, 1129420, 1581188, 1976485, 3952970, 7905940]

約数ペア:

[(1, 7905940), (2, 3952970), (4, 1976485), (5, 1581188), (7, 1129420), (10, 790594), (14, 564710), (20, 395297), (28, 282355), (35, 225884), (70, 112942), (140, 56471), (149, 53060), (298, 26530), (379, 20860), (596, 13265), (745, 10612), (758, 10430), (1043, 7580), (1490, 5306), (1516, 5215), (1895, 4172), (2086, 3790), (2653, 2980)]