120371980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 259144704

約数和(自身を除く): 138772724

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 515, 710, 823, 1030, 1420, 1646, 2060, 3292, 4115, 7313, 8230, 14626, 16460, 29252, 36565, 58433, 73130, 84769, 116866, 146260, 169538, 233732, 292165, 339076, 423845, 584330, 847690, 1168660, 1695380, 6018599, 12037198, 24074396, 30092995, 60185990, 120371980]

約数ペア:

[(1, 120371980), (2, 60185990), (4, 30092995), (5, 24074396), (10, 12037198), (20, 6018599), (71, 1695380), (103, 1168660), (142, 847690), (206, 584330), (284, 423845), (355, 339076), (412, 292165), (515, 233732), (710, 169538), (823, 146260), (1030, 116866), (1420, 84769), (1646, 73130), (2060, 58433), (3292, 36565), (4115, 29252), (7313, 16460), (8230, 14626)]