129259850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 255727680

約数和(自身を除く): 126467830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 190, 206, 475, 515, 950, 1030, 1321, 1957, 2575, 2642, 3914, 5150, 6605, 9785, 13210, 19570, 25099, 33025, 48925, 50198, 66050, 97850, 125495, 136063, 250990, 272126, 627475, 680315, 1254950, 1360630, 2585197, 3401575, 5170394, 6803150, 12925985, 25851970, 64629925, 129259850]

約数ペア:

[(1, 129259850), (2, 64629925), (5, 25851970), (10, 12925985), (19, 6803150), (25, 5170394), (38, 3401575), (50, 2585197), (95, 1360630), (103, 1254950), (190, 680315), (206, 627475), (475, 272126), (515, 250990), (950, 136063), (1030, 125495), (1321, 97850), (1957, 66050), (2575, 50198), (2642, 48925), (3914, 33025), (5150, 25099), (6605, 19570), (9785, 13210)]