388620420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281609}}^1$

素因数の和:281644

約数の個数: 48

約数和(自身を含む): 1135451520

約数和(自身を除く): 746831100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 281609, 563218, 844827, 1126436, 1408045, 1689654, 2816090, 3379308, 4224135, 5632180, 6477007, 8448270, 12954014, 16896540, 19431021, 25908028, 32385035, 38862042, 64770070, 77724084, 97155105, 129540140, 194310210, 388620420]

約数ペア:

[(1, 388620420), (2, 194310210), (3, 129540140), (4, 97155105), (5, 77724084), (6, 64770070), (10, 38862042), (12, 32385035), (15, 25908028), (20, 19431021), (23, 16896540), (30, 12954014), (46, 8448270), (60, 6477007), (69, 5632180), (92, 4224135), (115, 3379308), (138, 2816090), (230, 1689654), (276, 1408045), (345, 1126436), (460, 844827), (690, 563218), (1380, 281609)]