187743880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{66107}}^1$

素因数の和:66189

約数の個数: 32

約数和(自身を含む): 428379840

約数和(自身を除く): 240635960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 66107, 132214, 264428, 330535, 528856, 661070, 1322140, 2644280, 4693597, 9387194, 18774388, 23467985, 37548776, 46935970, 93871940, 187743880]

約数ペア:

[(1, 187743880), (2, 93871940), (4, 46935970), (5, 37548776), (8, 23467985), (10, 18774388), (20, 9387194), (40, 4693597), (71, 2644280), (142, 1322140), (284, 661070), (355, 528856), (568, 330535), (710, 264428), (1420, 132214), (2840, 66107)]