12138220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 14674580

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 349, 370, 470, 698, 740, 940, 1396, 1739, 1745, 3478, 3490, 6956, 6980, 8695, 12913, 16403, 17390, 25826, 32806, 34780, 51652, 64565, 65612, 82015, 129130, 164030, 258260, 328060, 606911, 1213822, 2427644, 3034555, 6069110, 12138220]

約数ペア:

[(1, 12138220), (2, 6069110), (4, 3034555), (5, 2427644), (10, 1213822), (20, 606911), (37, 328060), (47, 258260), (74, 164030), (94, 129130), (148, 82015), (185, 65612), (188, 64565), (235, 51652), (349, 34780), (370, 32806), (470, 25826), (698, 17390), (740, 16403), (940, 12913), (1396, 8695), (1739, 6980), (1745, 6956), (3478, 3490)]