220180425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 378428160

約数和(自身を除く): 158247735

約数列:

[1, 3, 5, 15, 25, 43, 67, 75, 129, 201, 215, 335, 645, 1005, 1019, 1075, 1675, 2881, 3057, 3225, 5025, 5095, 8643, 14405, 15285, 25475, 43215, 43817, 68273, 72025, 76425, 131451, 204819, 216075, 219085, 341365, 657255, 1024095, 1095425, 1706825, 2935739, 3286275, 5120475, 8807217, 14678695, 44036085, 73393475, 220180425]

約数ペア:

[(1, 220180425), (3, 73393475), (5, 44036085), (15, 14678695), (25, 8807217), (43, 5120475), (67, 3286275), (75, 2935739), (129, 1706825), (201, 1095425), (215, 1024095), (335, 657255), (645, 341365), (1005, 219085), (1019, 216075), (1075, 204819), (1675, 131451), (2881, 76425), (3057, 72025), (3225, 68273), (5025, 43817), (5095, 43215), (8643, 25475), (14405, 15285)]