138947480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{733}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 358309440

約数和(自身を除く): 219361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 677, 733, 1354, 1466, 2708, 2932, 3385, 3665, 4739, 5131, 5416, 5864, 6770, 7330, 9478, 10262, 13540, 14660, 18956, 20524, 23695, 25655, 27080, 29320, 37912, 41048, 47390, 51310, 94780, 102620, 189560, 205240, 496241, 992482, 1984964, 2481205, 3473687, 3969928, 4962410, 6947374, 9924820, 13894748, 17368435, 19849640, 27789496, 34736870, 69473740, 138947480]

約数ペア:

[(1, 138947480), (2, 69473740), (4, 34736870), (5, 27789496), (7, 19849640), (8, 17368435), (10, 13894748), (14, 9924820), (20, 6947374), (28, 4962410), (35, 3969928), (40, 3473687), (56, 2481205), (70, 1984964), (140, 992482), (280, 496241), (677, 205240), (733, 189560), (1354, 102620), (1466, 94780), (2708, 51310), (2932, 47390), (3385, 41048), (3665, 37912), (4739, 29320), (5131, 27080), (5416, 25655), (5864, 23695), (6770, 20524), (7330, 18956), (9478, 14660), (10262, 13540)]