6421400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 15129240

約数和(自身を除く): 8707840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 331, 388, 485, 662, 776, 970, 1324, 1655, 1940, 2425, 2648, 3310, 3880, 4850, 6620, 8275, 9700, 13240, 16550, 19400, 32107, 33100, 64214, 66200, 128428, 160535, 256856, 321070, 642140, 802675, 1284280, 1605350, 3210700, 6421400]

約数ペア:

[(1, 6421400), (2, 3210700), (4, 1605350), (5, 1284280), (8, 802675), (10, 642140), (20, 321070), (25, 256856), (40, 160535), (50, 128428), (97, 66200), (100, 64214), (194, 33100), (200, 32107), (331, 19400), (388, 16550), (485, 13240), (662, 9700), (776, 8275), (970, 6620), (1324, 4850), (1655, 3880), (1940, 3310), (2425, 2648)]