28795060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2311}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 69914880

約数和(自身を除く): 41119820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2311, 2492, 3115, 4622, 6230, 9244, 11555, 12460, 16177, 23110, 32354, 46220, 64708, 80885, 161770, 205679, 323540, 411358, 822716, 1028395, 1439753, 2056790, 2879506, 4113580, 5759012, 7198765, 14397530, 28795060]

約数ペア:

[(1, 28795060), (2, 14397530), (4, 7198765), (5, 5759012), (7, 4113580), (10, 2879506), (14, 2056790), (20, 1439753), (28, 1028395), (35, 822716), (70, 411358), (89, 323540), (140, 205679), (178, 161770), (356, 80885), (445, 64708), (623, 46220), (890, 32354), (1246, 23110), (1780, 16177), (2311, 12460), (2492, 11555), (3115, 9244), (4622, 6230)]