40347412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 85680000

約数和(自身を除く): 45332588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 266, 298, 509, 532, 596, 1018, 1043, 2036, 2086, 2831, 3563, 4172, 5662, 7126, 9671, 11324, 14252, 19342, 19817, 38684, 39634, 67697, 75841, 79268, 135394, 151682, 270788, 303364, 530887, 1061774, 1440979, 2123548, 2881958, 5763916, 10086853, 20173706, 40347412]

約数ペア:

[(1, 40347412), (2, 20173706), (4, 10086853), (7, 5763916), (14, 2881958), (19, 2123548), (28, 1440979), (38, 1061774), (76, 530887), (133, 303364), (149, 270788), (266, 151682), (298, 135394), (509, 79268), (532, 75841), (596, 67697), (1018, 39634), (1043, 38684), (2036, 19817), (2086, 19342), (2831, 14252), (3563, 11324), (4172, 9671), (5662, 7126)]