214005680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{953}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 570659904

約数和(自身を除く): 356654224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 401, 560, 802, 953, 1604, 1906, 2005, 2807, 3208, 3812, 4010, 4765, 5614, 6416, 6671, 7624, 8020, 9530, 11228, 13342, 14035, 15248, 16040, 19060, 22456, 26684, 28070, 32080, 33355, 38120, 44912, 53368, 56140, 66710, 76240, 106736, 112280, 133420, 224560, 266840, 382153, 533680, 764306, 1528612, 1910765, 2675071, 3057224, 3821530, 5350142, 6114448, 7643060, 10700284, 13375355, 15286120, 21400568, 26750710, 30572240, 42801136, 53501420, 107002840, 214005680]

約数ペア:

[(1, 214005680), (2, 107002840), (4, 53501420), (5, 42801136), (7, 30572240), (8, 26750710), (10, 21400568), (14, 15286120), (16, 13375355), (20, 10700284), (28, 7643060), (35, 6114448), (40, 5350142), (56, 3821530), (70, 3057224), (80, 2675071), (112, 1910765), (140, 1528612), (280, 764306), (401, 533680), (560, 382153), (802, 266840), (953, 224560), (1604, 133420), (1906, 112280), (2005, 106736), (2807, 76240), (3208, 66710), (3812, 56140), (4010, 53368), (4765, 44912), (5614, 38120), (6416, 33355), (6671, 32080), (7624, 28070), (8020, 26684), (9530, 22456), (11228, 19060), (13342, 16040), (14035, 15248)]