30901325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 51163392

約数和(自身を除く): 20262067

約数列:

[1, 5, 7, 13, 17, 25, 35, 47, 65, 85, 91, 119, 175, 221, 235, 289, 325, 329, 425, 455, 595, 611, 799, 1105, 1175, 1445, 1547, 1645, 2023, 2275, 2975, 3055, 3757, 3995, 4277, 5525, 5593, 7225, 7735, 8225, 10115, 10387, 13583, 15275, 18785, 19975, 21385, 26299, 27965, 38675, 50575, 51935, 67915, 72709, 93925, 95081, 106925, 131495, 139825, 176579, 259675, 339575, 363545, 475405, 657475, 882895, 1236053, 1817725, 2377025, 4414475, 6180265, 30901325]

約数ペア:

[(1, 30901325), (5, 6180265), (7, 4414475), (13, 2377025), (17, 1817725), (25, 1236053), (35, 882895), (47, 657475), (65, 475405), (85, 363545), (91, 339575), (119, 259675), (175, 176579), (221, 139825), (235, 131495), (289, 106925), (325, 95081), (329, 93925), (425, 72709), (455, 67915), (595, 51935), (611, 50575), (799, 38675), (1105, 27965), (1175, 26299), (1445, 21385), (1547, 19975), (1645, 18785), (2023, 15275), (2275, 13583), (2975, 10387), (3055, 10115), (3757, 8225), (3995, 7735), (4277, 7225), (5525, 5593)]