11556440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 30024000

約数和(自身を除く): 18467560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 277, 280, 298, 554, 596, 745, 1043, 1108, 1192, 1385, 1490, 1939, 2086, 2216, 2770, 2980, 3878, 4172, 5215, 5540, 5960, 7756, 8344, 9695, 10430, 11080, 15512, 19390, 20860, 38780, 41273, 41720, 77560, 82546, 165092, 206365, 288911, 330184, 412730, 577822, 825460, 1155644, 1444555, 1650920, 2311288, 2889110, 5778220, 11556440]

約数ペア:

[(1, 11556440), (2, 5778220), (4, 2889110), (5, 2311288), (7, 1650920), (8, 1444555), (10, 1155644), (14, 825460), (20, 577822), (28, 412730), (35, 330184), (40, 288911), (56, 206365), (70, 165092), (140, 82546), (149, 77560), (277, 41720), (280, 41273), (298, 38780), (554, 20860), (596, 19390), (745, 15512), (1043, 11080), (1108, 10430), (1192, 9695), (1385, 8344), (1490, 7756), (1939, 5960), (2086, 5540), (2216, 5215), (2770, 4172), (2980, 3878)]