198523640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17293}}^1$

素因数の和:17352

約数の個数: 64

約数和(自身を含む): 522970560

約数和(自身を除く): 324446920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 17293, 34586, 69172, 86465, 121051, 138344, 172930, 242102, 345860, 484204, 605255, 691720, 709013, 968408, 1210510, 1418026, 2421020, 2836052, 3545065, 4842040, 4963091, 5672104, 7090130, 9926182, 14180260, 19852364, 24815455, 28360520, 39704728, 49630910, 99261820, 198523640]

約数ペア:

[(1, 198523640), (2, 99261820), (4, 49630910), (5, 39704728), (7, 28360520), (8, 24815455), (10, 19852364), (14, 14180260), (20, 9926182), (28, 7090130), (35, 5672104), (40, 4963091), (41, 4842040), (56, 3545065), (70, 2836052), (82, 2421020), (140, 1418026), (164, 1210510), (205, 968408), (280, 709013), (287, 691720), (328, 605255), (410, 484204), (574, 345860), (820, 242102), (1148, 172930), (1435, 138344), (1640, 121051), (2296, 86465), (2870, 69172), (5740, 34586), (11480, 17293)]