31276940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 70634592

約数和(自身を除く): 39357652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 1373, 2278, 2746, 4556, 5492, 5695, 6865, 11390, 13730, 22780, 23341, 27460, 46682, 91991, 93364, 116705, 183982, 233410, 367964, 459955, 466820, 919910, 1563847, 1839820, 3127694, 6255388, 7819235, 15638470, 31276940]

約数ペア:

[(1, 31276940), (2, 15638470), (4, 7819235), (5, 6255388), (10, 3127694), (17, 1839820), (20, 1563847), (34, 919910), (67, 466820), (68, 459955), (85, 367964), (134, 233410), (170, 183982), (268, 116705), (335, 93364), (340, 91991), (670, 46682), (1139, 27460), (1340, 23341), (1373, 22780), (2278, 13730), (2746, 11390), (4556, 6865), (5492, 5695)]