1781180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4021920

約数和(自身を除く): 2240740

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 83, 116, 145, 148, 166, 185, 290, 332, 370, 415, 580, 740, 830, 1073, 1660, 2146, 2407, 3071, 4292, 4814, 5365, 6142, 9628, 10730, 12035, 12284, 15355, 21460, 24070, 30710, 48140, 61420, 89059, 178118, 356236, 445295, 890590, 1781180]

約数ペア:

[(1, 1781180), (2, 890590), (4, 445295), (5, 356236), (10, 178118), (20, 89059), (29, 61420), (37, 48140), (58, 30710), (74, 24070), (83, 21460), (116, 15355), (145, 12284), (148, 12035), (166, 10730), (185, 9628), (290, 6142), (332, 5365), (370, 4814), (415, 4292), (580, 3071), (740, 2407), (830, 2146), (1073, 1660)]