11445400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 26951400

約数和(自身を除く): 15506000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 643, 712, 890, 1286, 1780, 2225, 2572, 3215, 3560, 4450, 5144, 6430, 8900, 12860, 16075, 17800, 25720, 32150, 57227, 64300, 114454, 128600, 228908, 286135, 457816, 572270, 1144540, 1430675, 2289080, 2861350, 5722700, 11445400]

約数ペア:

[(1, 11445400), (2, 5722700), (4, 2861350), (5, 2289080), (8, 1430675), (10, 1144540), (20, 572270), (25, 457816), (40, 286135), (50, 228908), (89, 128600), (100, 114454), (178, 64300), (200, 57227), (356, 32150), (445, 25720), (643, 17800), (712, 16075), (890, 12860), (1286, 8900), (1780, 6430), (2225, 5144), (2572, 4450), (3215, 3560)]