138886295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 181440000

約数和(自身を除く): 42553705

約数列:

[1, 5, 19, 59, 71, 95, 295, 349, 355, 1121, 1349, 1745, 4189, 5605, 6631, 6745, 20591, 20945, 24779, 33155, 79591, 102955, 123895, 391229, 397955, 470801, 1461961, 1956145, 2354005, 7309805, 27777259, 138886295]

約数ペア:

[(1, 138886295), (5, 27777259), (19, 7309805), (59, 2354005), (71, 1956145), (95, 1461961), (295, 470801), (349, 397955), (355, 391229), (1121, 123895), (1349, 102955), (1745, 79591), (4189, 33155), (5605, 24779), (6631, 20945), (6745, 20591)]