643636702580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{3524459}}^1$

素因数の和:3524888

約数の個数: 48

約数和(自身を含む): 1413956960640

約数和(自身を除く): 770320258060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 397, 460, 794, 1588, 1985, 3970, 7940, 9131, 18262, 36524, 45655, 91310, 182620, 3524459, 7048918, 14097836, 17622295, 35244590, 70489180, 81062557, 162125114, 324250228, 405312785, 810625570, 1399210223, 1621251140, 2798420446, 5596840892, 6996051115, 13992102230, 27984204460, 32181835129, 64363670258, 128727340516, 160909175645, 321818351290, 643636702580]

約数ペア:

[(1, 643636702580), (2, 321818351290), (4, 160909175645), (5, 128727340516), (10, 64363670258), (20, 32181835129), (23, 27984204460), (46, 13992102230), (92, 6996051115), (115, 5596840892), (230, 2798420446), (397, 1621251140), (460, 1399210223), (794, 810625570), (1588, 405312785), (1985, 324250228), (3970, 162125114), (7940, 81062557), (9131, 70489180), (18262, 35244590), (36524, 17622295), (45655, 14097836), (91310, 7048918), (182620, 3524459)]