12838490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 28512000

約数和(自身を除く): 15673510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 197, 245, 266, 343, 394, 490, 665, 686, 931, 985, 1330, 1379, 1715, 1862, 1970, 2758, 3430, 3743, 4655, 6517, 6895, 7486, 9310, 9653, 13034, 13790, 18715, 19306, 26201, 32585, 37430, 48265, 52402, 65170, 67571, 96530, 131005, 135142, 183407, 262010, 337855, 366814, 675710, 917035, 1283849, 1834070, 2567698, 6419245, 12838490]

約数ペア:

[(1, 12838490), (2, 6419245), (5, 2567698), (7, 1834070), (10, 1283849), (14, 917035), (19, 675710), (35, 366814), (38, 337855), (49, 262010), (70, 183407), (95, 135142), (98, 131005), (133, 96530), (190, 67571), (197, 65170), (245, 52402), (266, 48265), (343, 37430), (394, 32585), (490, 26201), (665, 19306), (686, 18715), (931, 13790), (985, 13034), (1330, 9653), (1379, 9310), (1715, 7486), (1862, 6895), (1970, 6517), (2758, 4655), (3430, 3743)]