1317754940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{17707}}^1$

素因数の和:17838

約数の個数: 36

約数和(自身を含む): 2813553288

約数和(自身を除く): 1495798348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3721, 7442, 14884, 17707, 18605, 35414, 37210, 70828, 74420, 88535, 177070, 354140, 1080127, 2160254, 4320508, 5400635, 10801270, 21602540, 65887747, 131775494, 263550988, 329438735, 658877470, 1317754940]

約数ペア:

[(1, 1317754940), (2, 658877470), (4, 329438735), (5, 263550988), (10, 131775494), (20, 65887747), (61, 21602540), (122, 10801270), (244, 5400635), (305, 4320508), (610, 2160254), (1220, 1080127), (3721, 354140), (7442, 177070), (14884, 88535), (17707, 74420), (18605, 70828), (35414, 37210)]