138930580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2027}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 306633600

約数和(自身を除く): 167703020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 596, 745, 1490, 2027, 2980, 3427, 4054, 6854, 8108, 10135, 13708, 17135, 20270, 34270, 40540, 46621, 68540, 93242, 186484, 233105, 302023, 466210, 604046, 932420, 1208092, 1510115, 3020230, 6040460, 6946529, 13893058, 27786116, 34732645, 69465290, 138930580]

約数ペア:

[(1, 138930580), (2, 69465290), (4, 34732645), (5, 27786116), (10, 13893058), (20, 6946529), (23, 6040460), (46, 3020230), (92, 1510115), (115, 1208092), (149, 932420), (230, 604046), (298, 466210), (460, 302023), (596, 233105), (745, 186484), (1490, 93242), (2027, 68540), (2980, 46621), (3427, 40540), (4054, 34270), (6854, 20270), (8108, 17135), (10135, 13708)]