247729720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9941}}^1$

素因数の和:10048

約数の個数: 64

約数和(自身を含む): 644241600

約数和(自身を除く): 396511880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 9941, 12460, 19882, 24920, 39764, 49705, 69587, 79528, 99410, 139174, 198820, 278348, 347935, 397640, 556696, 695870, 884749, 1391740, 1769498, 2783480, 3538996, 4423745, 6193243, 7077992, 8847490, 12386486, 17694980, 24772972, 30966215, 35389960, 49545944, 61932430, 123864860, 247729720]

約数ペア:

[(1, 247729720), (2, 123864860), (4, 61932430), (5, 49545944), (7, 35389960), (8, 30966215), (10, 24772972), (14, 17694980), (20, 12386486), (28, 8847490), (35, 7077992), (40, 6193243), (56, 4423745), (70, 3538996), (89, 2783480), (140, 1769498), (178, 1391740), (280, 884749), (356, 695870), (445, 556696), (623, 397640), (712, 347935), (890, 278348), (1246, 198820), (1780, 139174), (2492, 99410), (3115, 79528), (3560, 69587), (4984, 49705), (6230, 39764), (9941, 24920), (12460, 19882)]