243975320

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{14557}}^1$

素因数の和:14987

約数の個数: 32

約数和(自身を含む): 550292400

約数和(自身を除く): 306317080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 14557, 16760, 29114, 58228, 72785, 116456, 145570, 291140, 582280, 6099383, 12198766, 24397532, 30496915, 48795064, 60993830, 121987660, 243975320]

約数ペア:

[(1, 243975320), (2, 121987660), (4, 60993830), (5, 48795064), (8, 30496915), (10, 24397532), (20, 12198766), (40, 6099383), (419, 582280), (838, 291140), (1676, 145570), (2095, 116456), (3352, 72785), (4190, 58228), (8380, 29114), (14557, 16760)]