989359490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{12541}}^1$

素因数の和:12592

約数の個数: 64

約数和(自身を含む): 2167257600

約数和(自身を除く): 1177898110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 343, 490, 686, 805, 1127, 1610, 1715, 2254, 3430, 5635, 7889, 11270, 12541, 15778, 25082, 39445, 62705, 78890, 87787, 125410, 175574, 288443, 438935, 576886, 614509, 877870, 1229018, 1442215, 2019101, 2884430, 3072545, 4038202, 4301563, 6145090, 8603126, 10095505, 14133707, 20191010, 21507815, 28267414, 43015630, 70668535, 98935949, 141337070, 197871898, 494679745, 989359490]

約数ペア:

[(1, 989359490), (2, 494679745), (5, 197871898), (7, 141337070), (10, 98935949), (14, 70668535), (23, 43015630), (35, 28267414), (46, 21507815), (49, 20191010), (70, 14133707), (98, 10095505), (115, 8603126), (161, 6145090), (230, 4301563), (245, 4038202), (322, 3072545), (343, 2884430), (490, 2019101), (686, 1442215), (805, 1229018), (1127, 877870), (1610, 614509), (1715, 576886), (2254, 438935), (3430, 288443), (5635, 175574), (7889, 125410), (11270, 87787), (12541, 78890), (15778, 62705), (25082, 39445)]