155335240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53197}}^1$

素因数の和:53281

約数の個数: 32

約数和(自身を含む): 354298680

約数和(自身を除く): 198963440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 53197, 106394, 212788, 265985, 425576, 531970, 1063940, 2127880, 3883381, 7766762, 15533524, 19416905, 31067048, 38833810, 77667620, 155335240]

約数ペア:

[(1, 155335240), (2, 77667620), (4, 38833810), (5, 31067048), (8, 19416905), (10, 15533524), (20, 7766762), (40, 3883381), (73, 2127880), (146, 1063940), (292, 531970), (365, 425576), (584, 265985), (730, 212788), (1460, 106394), (2920, 53197)]