86774620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 188647200

約数和(自身を除く): 101872580

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 740, 745, 787, 1490, 1574, 2980, 3148, 3935, 5513, 7870, 11026, 15740, 22052, 27565, 29119, 55130, 58238, 110260, 116476, 117263, 145595, 234526, 291190, 469052, 582380, 586315, 1172630, 2345260, 4338731, 8677462, 17354924, 21693655, 43387310, 86774620]

約数ペア:

[(1, 86774620), (2, 43387310), (4, 21693655), (5, 17354924), (10, 8677462), (20, 4338731), (37, 2345260), (74, 1172630), (148, 586315), (149, 582380), (185, 469052), (298, 291190), (370, 234526), (596, 145595), (740, 117263), (745, 116476), (787, 110260), (1490, 58238), (1574, 55130), (2980, 29119), (3148, 27565), (3935, 22052), (5513, 15740), (7870, 11026)]