208026840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247651}}^1$

素因数の和:247672

約数の個数: 64

約数和(自身を含む): 713237760

約数和(自身を除く): 505210920

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, 247651, 495302, 742953, 990604, 1238255, 1485906, 1733557, 1981208, 2476510, 2971812, 3467114, 3714765, 4953020, 5200671, 5943624, 6934228, 7429530, 8667785, 9906040, 10401342, 13868456, 14859060, 17335570, 20802684, 26003355, 29718120, 34671140, 41605368, 52006710, 69342280, 104013420, 208026840]

約数ペア:

[(1, 208026840), (2, 104013420), (3, 69342280), (4, 52006710), (5, 41605368), (6, 34671140), (7, 29718120), (8, 26003355), (10, 20802684), (12, 17335570), (14, 14859060), (15, 13868456), (20, 10401342), (21, 9906040), (24, 8667785), (28, 7429530), (30, 6934228), (35, 5943624), (40, 5200671), (42, 4953020), (56, 3714765), (60, 3467114), (70, 2971812), (84, 2476510), (105, 1981208), (120, 1733557), (140, 1485906), (168, 1238255), (210, 990604), (280, 742953), (420, 495302), (840, 247651)]