73540450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 145080000

約数和(自身を除く): 71539550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 389, 398, 475, 778, 950, 995, 1945, 1990, 3781, 3890, 4975, 7391, 7562, 9725, 9950, 14782, 18905, 19450, 36955, 37810, 73910, 77411, 94525, 154822, 184775, 189050, 369550, 387055, 774110, 1470809, 1935275, 2941618, 3870550, 7354045, 14708090, 36770225, 73540450]

約数ペア:

[(1, 73540450), (2, 36770225), (5, 14708090), (10, 7354045), (19, 3870550), (25, 2941618), (38, 1935275), (50, 1470809), (95, 774110), (190, 387055), (199, 369550), (389, 189050), (398, 184775), (475, 154822), (778, 94525), (950, 77411), (995, 73910), (1945, 37810), (1990, 36955), (3781, 19450), (3890, 18905), (4975, 14782), (7391, 9950), (7562, 9725)]