28736260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 69826176

約数和(自身を除く): 41089916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2473, 2905, 4946, 5810, 9892, 11620, 12365, 17311, 24730, 34622, 49460, 69244, 86555, 173110, 205259, 346220, 410518, 821036, 1026295, 1436813, 2052590, 2873626, 4105180, 5747252, 7184065, 14368130, 28736260]

約数ペア:

[(1, 28736260), (2, 14368130), (4, 7184065), (5, 5747252), (7, 4105180), (10, 2873626), (14, 2052590), (20, 1436813), (28, 1026295), (35, 821036), (70, 410518), (83, 346220), (140, 205259), (166, 173110), (332, 86555), (415, 69244), (581, 49460), (830, 34622), (1162, 24730), (1660, 17311), (2324, 12365), (2473, 11620), (2905, 9892), (4946, 5810)]