79398620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81019}}^1$

素因数の和:81042

約数の個数: 36

約数和(自身を含む): 193961880

約数和(自身を除く): 114563260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81019, 162038, 324076, 405095, 567133, 810190, 1134266, 1620380, 2268532, 2835665, 3969931, 5671330, 7939862, 11342660, 15879724, 19849655, 39699310, 79398620]

約数ペア:

[(1, 79398620), (2, 39699310), (4, 19849655), (5, 15879724), (7, 11342660), (10, 7939862), (14, 5671330), (20, 3969931), (28, 2835665), (35, 2268532), (49, 1620380), (70, 1134266), (98, 810190), (140, 567133), (196, 405095), (245, 324076), (490, 162038), (980, 81019)]