317171820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{755171}}^1$

素因数の和:755190

約数の個数: 48

約数和(自身を含む): 1014951168

約数和(自身を除く): 697779348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 755171, 1510342, 2265513, 3020684, 3775855, 4531026, 5286197, 7551710, 9062052, 10572394, 11327565, 15103420, 15858591, 21144788, 22655130, 26430985, 31717182, 45310260, 52861970, 63434364, 79292955, 105723940, 158585910, 317171820]

約数ペア:

[(1, 317171820), (2, 158585910), (3, 105723940), (4, 79292955), (5, 63434364), (6, 52861970), (7, 45310260), (10, 31717182), (12, 26430985), (14, 22655130), (15, 21144788), (20, 15858591), (21, 15103420), (28, 11327565), (30, 10572394), (35, 9062052), (42, 7551710), (60, 5286197), (70, 4531026), (84, 3775855), (105, 3020684), (140, 2265513), (210, 1510342), (420, 755171)]