1212016060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{10139}}^1$

素因数の和:10330

約数の個数: 48

約数和(自身を含む): 2623420800

約数和(自身を除く): 1411404740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 5977, 10139, 11954, 20278, 23908, 29885, 40556, 50695, 59770, 101390, 119540, 202780, 435977, 871954, 1409321, 1743908, 2179885, 2818642, 4359770, 5637284, 7046605, 8719540, 14093210, 28186420, 60600803, 121201606, 242403212, 303004015, 606008030, 1212016060]

約数ペア:

[(1, 1212016060), (2, 606008030), (4, 303004015), (5, 242403212), (10, 121201606), (20, 60600803), (43, 28186420), (86, 14093210), (139, 8719540), (172, 7046605), (215, 5637284), (278, 4359770), (430, 2818642), (556, 2179885), (695, 1743908), (860, 1409321), (1390, 871954), (2780, 435977), (5977, 202780), (10139, 119540), (11954, 101390), (20278, 59770), (23908, 50695), (29885, 40556)]