21960804550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{95089}}^1$

素因数の和:95281

約数の個数: 48

約数和(自身を含む): 42448176000

約数和(自身を除く): 20487371450

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 149, 155, 298, 310, 745, 775, 1490, 1550, 3725, 4619, 7450, 9238, 23095, 46190, 95089, 115475, 190178, 230950, 475445, 950890, 2377225, 2947759, 4754450, 5895518, 14168261, 14738795, 28336522, 29477590, 70841305, 73693975, 141682610, 147387950, 354206525, 439216091, 708413050, 878432182, 2196080455, 4392160910, 10980402275, 21960804550]

約数ペア:

[(1, 21960804550), (2, 10980402275), (5, 4392160910), (10, 2196080455), (25, 878432182), (31, 708413050), (50, 439216091), (62, 354206525), (149, 147387950), (155, 141682610), (298, 73693975), (310, 70841305), (745, 29477590), (775, 28336522), (1490, 14738795), (1550, 14168261), (3725, 5895518), (4619, 4754450), (7450, 2947759), (9238, 2377225), (23095, 950890), (46190, 475445), (95089, 230950), (115475, 190178)]