215545690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{39119}}^1$

素因数の和:39174

約数の個数: 32

約数和(自身を含む): 422496000

約数和(自身を除く): 206950310

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 39119, 78238, 195595, 391190, 743261, 1134451, 1486522, 2268902, 3716305, 5672255, 7432610, 11344510, 21554569, 43109138, 107772845, 215545690]

約数ペア:

[(1, 215545690), (2, 107772845), (5, 43109138), (10, 21554569), (19, 11344510), (29, 7432610), (38, 5672255), (58, 3716305), (95, 2268902), (145, 1486522), (190, 1134451), (290, 743261), (551, 391190), (1102, 195595), (2755, 78238), (5510, 39119)]