669593000

素因数分解:

$2^3\times 5^3\times {\mathrm{661}}^1\times {\mathrm{1013}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 1570767120

約数和(自身を除く): 901174120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 661, 1000, 1013, 1322, 2026, 2644, 3305, 4052, 5065, 5288, 6610, 8104, 10130, 13220, 16525, 20260, 25325, 26440, 33050, 40520, 50650, 66100, 82625, 101300, 126625, 132200, 165250, 202600, 253250, 330500, 506500, 661000, 669593, 1013000, 1339186, 2678372, 3347965, 5356744, 6695930, 13391860, 16739825, 26783720, 33479650, 66959300, 83699125, 133918600, 167398250, 334796500, 669593000]

約数ペア:

[(1, 669593000), (2, 334796500), (4, 167398250), (5, 133918600), (8, 83699125), (10, 66959300), (20, 33479650), (25, 26783720), (40, 16739825), (50, 13391860), (100, 6695930), (125, 5356744), (200, 3347965), (250, 2678372), (500, 1339186), (661, 1013000), (1000, 669593), (1013, 661000), (1322, 506500), (2026, 330500), (2644, 253250), (3305, 202600), (4052, 165250), (5065, 132200), (5288, 126625), (6610, 101300), (8104, 82625), (10130, 66100), (13220, 50650), (16525, 40520), (20260, 33050), (25325, 26440)]