138072340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6619}}^1$

素因数の和:6784

約数の個数: 48

約数和(自身を含む): 333648000

約数和(自身を除く): 195575660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 6619, 10430, 13238, 20860, 26476, 33095, 46333, 66190, 92666, 132380, 185332, 231665, 463330, 926660, 986231, 1972462, 3944924, 4931155, 6903617, 9862310, 13807234, 19724620, 27614468, 34518085, 69036170, 138072340]

約数ペア:

[(1, 138072340), (2, 69036170), (4, 34518085), (5, 27614468), (7, 19724620), (10, 13807234), (14, 9862310), (20, 6903617), (28, 4931155), (35, 3944924), (70, 1972462), (140, 986231), (149, 926660), (298, 463330), (596, 231665), (745, 185332), (1043, 132380), (1490, 92666), (2086, 66190), (2980, 46333), (4172, 33095), (5215, 26476), (6619, 20860), (10430, 13238)]