38645320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19717}}^1$

素因数の和:19742

約数の個数: 48

約数和(自身を含む): 101153340

約数和(自身を除く): 62508020

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, 19717, 39434, 78868, 98585, 138019, 157736, 197170, 276038, 394340, 552076, 690095, 788680, 966133, 1104152, 1380190, 1932266, 2760380, 3864532, 4830665, 5520760, 7729064, 9661330, 19322660, 38645320]

約数ペア:

[(1, 38645320), (2, 19322660), (4, 9661330), (5, 7729064), (7, 5520760), (8, 4830665), (10, 3864532), (14, 2760380), (20, 1932266), (28, 1380190), (35, 1104152), (40, 966133), (49, 788680), (56, 690095), (70, 552076), (98, 394340), (140, 276038), (196, 197170), (245, 157736), (280, 138019), (392, 98585), (490, 78868), (980, 39434), (1960, 19717)]