40272316

素因数分解:

$2^2\times 7^3\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 83160000

約数和(自身を除く): 42887684

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 197, 298, 343, 394, 596, 686, 788, 1043, 1372, 1379, 2086, 2758, 4172, 5516, 7301, 9653, 14602, 19306, 29204, 29353, 38612, 51107, 58706, 67571, 102214, 117412, 135142, 204428, 205471, 270284, 410942, 821884, 1438297, 2876594, 5753188, 10068079, 20136158, 40272316]

約数ペア:

[(1, 40272316), (2, 20136158), (4, 10068079), (7, 5753188), (14, 2876594), (28, 1438297), (49, 821884), (98, 410942), (149, 270284), (196, 205471), (197, 204428), (298, 135142), (343, 117412), (394, 102214), (596, 67571), (686, 58706), (788, 51107), (1043, 38612), (1372, 29353), (1379, 29204), (2086, 19306), (2758, 14602), (4172, 9653), (5516, 7301)]