320413425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 549899328

約数和(自身を除く): 229485903

約数列:

[1, 3, 5, 15, 25, 43, 73, 75, 129, 215, 219, 365, 645, 1075, 1095, 1361, 1825, 3139, 3225, 4083, 5475, 6805, 9417, 15695, 20415, 34025, 47085, 58523, 78475, 99353, 102075, 175569, 235425, 292615, 298059, 496765, 877845, 1463075, 1490295, 2483825, 4272179, 4389225, 7451475, 12816537, 21360895, 64082685, 106804475, 320413425]

約数ペア:

[(1, 320413425), (3, 106804475), (5, 64082685), (15, 21360895), (25, 12816537), (43, 7451475), (73, 4389225), (75, 4272179), (129, 2483825), (215, 1490295), (219, 1463075), (365, 877845), (645, 496765), (1075, 298059), (1095, 292615), (1361, 235425), (1825, 175569), (3139, 102075), (3225, 99353), (4083, 78475), (5475, 58523), (6805, 47085), (9417, 34025), (15695, 20415)]