619157060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{1487}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 1319915520

約数和(自身を除く): 700758460

約数列:

[1, 2, 4, 5, 10, 20, 109, 191, 218, 382, 436, 545, 764, 955, 1090, 1487, 1910, 2180, 2974, 3820, 5948, 7435, 14870, 20819, 29740, 41638, 83276, 104095, 162083, 208190, 284017, 324166, 416380, 568034, 648332, 810415, 1136068, 1420085, 1620830, 2840170, 3241660, 5680340, 30957853, 61915706, 123831412, 154789265, 309578530, 619157060]

約数ペア:

[(1, 619157060), (2, 309578530), (4, 154789265), (5, 123831412), (10, 61915706), (20, 30957853), (109, 5680340), (191, 3241660), (218, 2840170), (382, 1620830), (436, 1420085), (545, 1136068), (764, 810415), (955, 648332), (1090, 568034), (1487, 416380), (1910, 324166), (2180, 284017), (2974, 208190), (3820, 162083), (5948, 104095), (7435, 83276), (14870, 41638), (20819, 29740)]