208362840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248051}}^1$

素因数の和:248072

約数の個数: 64

約数和(自身を含む): 714389760

約数和(自身を除く): 506026920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248051, 496102, 744153, 992204, 1240255, 1488306, 1736357, 1984408, 2480510, 2976612, 3472714, 3720765, 4961020, 5209071, 5953224, 6945428, 7441530, 8681785, 9922040, 10418142, 13890856, 14883060, 17363570, 20836284, 26045355, 29766120, 34727140, 41672568, 52090710, 69454280, 104181420, 208362840]

約数ペア:

[(1, 208362840), (2, 104181420), (3, 69454280), (4, 52090710), (5, 41672568), (6, 34727140), (7, 29766120), (8, 26045355), (10, 20836284), (12, 17363570), (14, 14883060), (15, 13890856), (20, 10418142), (21, 9922040), (24, 8681785), (28, 7441530), (30, 6945428), (35, 5953224), (40, 5209071), (42, 4961020), (56, 3720765), (60, 3472714), (70, 2976612), (84, 2480510), (105, 1984408), (120, 1736357), (140, 1488306), (168, 1240255), (210, 992204), (280, 744153), (420, 496102), (840, 248051)]