1321218430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{4027}}^1$

素因数の和:4193

約数の個数: 64

約数和(自身を含む): 2807354880

約数和(自身を除く): 1486136450

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 109, 215, 218, 301, 430, 545, 602, 763, 1090, 1505, 1526, 3010, 3815, 4027, 4687, 7630, 8054, 9374, 20135, 23435, 28189, 32809, 40270, 46870, 56378, 65618, 140945, 164045, 173161, 281890, 328090, 346322, 438943, 865805, 877886, 1212127, 1731610, 2194715, 2424254, 3072601, 4389430, 6060635, 6145202, 12121270, 15363005, 18874549, 30726010, 37749098, 94372745, 132121843, 188745490, 264243686, 660609215, 1321218430]

約数ペア:

[(1, 1321218430), (2, 660609215), (5, 264243686), (7, 188745490), (10, 132121843), (14, 94372745), (35, 37749098), (43, 30726010), (70, 18874549), (86, 15363005), (109, 12121270), (215, 6145202), (218, 6060635), (301, 4389430), (430, 3072601), (545, 2424254), (602, 2194715), (763, 1731610), (1090, 1212127), (1505, 877886), (1526, 865805), (3010, 438943), (3815, 346322), (4027, 328090), (4687, 281890), (7630, 173161), (8054, 164045), (9374, 140945), (20135, 65618), (23435, 56378), (28189, 46870), (32809, 40270)]