168173140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7331}}^1$

素因数の和:7408

約数の個数: 48

約数和(自身を含む): 374459904

約数和(自身を除く): 206286764

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 7331, 11470, 14662, 22940, 29324, 36655, 73310, 146620, 227261, 271247, 454522, 542494, 909044, 1084988, 1136305, 1356235, 2272610, 2712470, 4545220, 5424940, 8408657, 16817314, 33634628, 42043285, 84086570, 168173140]

約数ペア:

[(1, 168173140), (2, 84086570), (4, 42043285), (5, 33634628), (10, 16817314), (20, 8408657), (31, 5424940), (37, 4545220), (62, 2712470), (74, 2272610), (124, 1356235), (148, 1136305), (155, 1084988), (185, 909044), (310, 542494), (370, 454522), (620, 271247), (740, 227261), (1147, 146620), (2294, 73310), (4588, 36655), (5735, 29324), (7331, 22940), (11470, 14662)]