154965125

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 237219840

約数和(自身を除く): 82254715

約数列:

[1, 5, 7, 25, 29, 31, 35, 125, 145, 155, 175, 197, 203, 217, 725, 775, 875, 899, 985, 1015, 1085, 1379, 3625, 3875, 4495, 4925, 5075, 5425, 5713, 6107, 6293, 6895, 22475, 24625, 25375, 27125, 28565, 30535, 31465, 34475, 39991, 42749, 112375, 142825, 152675, 157325, 172375, 177103, 199955, 213745, 714125, 763375, 786625, 885515, 999775, 1068725, 1239721, 4427575, 4998875, 5343625, 6198605, 22137875, 30993025, 154965125]

約数ペア:

[(1, 154965125), (5, 30993025), (7, 22137875), (25, 6198605), (29, 5343625), (31, 4998875), (35, 4427575), (125, 1239721), (145, 1068725), (155, 999775), (175, 885515), (197, 786625), (203, 763375), (217, 714125), (725, 213745), (775, 199955), (875, 177103), (899, 172375), (985, 157325), (1015, 152675), (1085, 142825), (1379, 112375), (3625, 42749), (3875, 39991), (4495, 34475), (4925, 31465), (5075, 30535), (5425, 28565), (5713, 27125), (6107, 25375), (6293, 24625), (6895, 22475)]