789025420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{8627}}^1$

素因数の和:8922

約数の個数: 48

約数和(自身を含む): 1761147360

約数和(自身を除く): 972121940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 538, 1076, 1345, 2690, 4573, 5380, 8627, 9146, 17254, 18292, 22865, 34508, 43135, 45730, 86270, 91460, 146659, 172540, 293318, 586636, 733295, 1466590, 2320663, 2933180, 4641326, 9282652, 11603315, 23206630, 39451271, 46413260, 78902542, 157805084, 197256355, 394512710, 789025420]

約数ペア:

[(1, 789025420), (2, 394512710), (4, 197256355), (5, 157805084), (10, 78902542), (17, 46413260), (20, 39451271), (34, 23206630), (68, 11603315), (85, 9282652), (170, 4641326), (269, 2933180), (340, 2320663), (538, 1466590), (1076, 733295), (1345, 586636), (2690, 293318), (4573, 172540), (5380, 146659), (8627, 91460), (9146, 86270), (17254, 45730), (18292, 43135), (22865, 34508)]