2000359000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{25321}}^1$

素因数の和:25421

約数の個数: 64

約数和(自身を含む): 4740278400

約数和(自身を除く): 2739919400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 790, 1000, 1580, 1975, 3160, 3950, 7900, 9875, 15800, 19750, 25321, 39500, 50642, 79000, 101284, 126605, 202568, 253210, 506420, 633025, 1012840, 1266050, 2000359, 2532100, 3165125, 4000718, 5064200, 6330250, 8001436, 10001795, 12660500, 16002872, 20003590, 25321000, 40007180, 50008975, 80014360, 100017950, 200035900, 250044875, 400071800, 500089750, 1000179500, 2000359000]

約数ペア:

[(1, 2000359000), (2, 1000179500), (4, 500089750), (5, 400071800), (8, 250044875), (10, 200035900), (20, 100017950), (25, 80014360), (40, 50008975), (50, 40007180), (79, 25321000), (100, 20003590), (125, 16002872), (158, 12660500), (200, 10001795), (250, 8001436), (316, 6330250), (395, 5064200), (500, 4000718), (632, 3165125), (790, 2532100), (1000, 2000359), (1580, 1266050), (1975, 1012840), (3160, 633025), (3950, 506420), (7900, 253210), (9875, 202568), (15800, 126605), (19750, 101284), (25321, 79000), (39500, 50642)]