7138045640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{182279}}^1$

素因数の和:182390

約数の個数: 64

約数和(自身を含む): 17717616000

約数和(自身を除く): 10579570360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 182279, 364558, 729116, 911395, 1458232, 1822790, 2005069, 3645580, 4010138, 7291160, 8020276, 10025345, 16040552, 16222831, 20050690, 32445662, 40101380, 64891324, 80202760, 81114155, 129782648, 162228310, 178451141, 324456620, 356902282, 648913240, 713804564, 892255705, 1427609128, 1784511410, 3569022820, 7138045640]

約数ペア:

[(1, 7138045640), (2, 3569022820), (4, 1784511410), (5, 1427609128), (8, 892255705), (10, 713804564), (11, 648913240), (20, 356902282), (22, 324456620), (40, 178451141), (44, 162228310), (55, 129782648), (88, 81114155), (89, 80202760), (110, 64891324), (178, 40101380), (220, 32445662), (356, 20050690), (440, 16222831), (445, 16040552), (712, 10025345), (890, 8020276), (979, 7291160), (1780, 4010138), (1958, 3645580), (3560, 2005069), (3916, 1822790), (4895, 1458232), (7832, 911395), (9790, 729116), (19580, 364558), (39160, 182279)]