848997680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{3137}}^1$

素因数の和:3366

約数の個数: 80

約数和(自身を含む): 2101204800

約数和(自身を除く): 1252207120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 680, 796, 995, 1360, 1592, 1990, 3137, 3184, 3383, 3980, 6274, 6766, 7960, 12548, 13532, 15685, 15920, 16915, 25096, 27064, 31370, 33830, 50192, 53329, 54128, 62740, 67660, 106658, 125480, 135320, 213316, 250960, 266645, 270640, 426632, 533290, 624263, 853264, 1066580, 1248526, 2133160, 2497052, 3121315, 4266320, 4994104, 6242630, 9988208, 10612471, 12485260, 21224942, 24970520, 42449884, 49941040, 53062355, 84899768, 106124710, 169799536, 212249420, 424498840, 848997680]

約数ペア:

[(1, 848997680), (2, 424498840), (4, 212249420), (5, 169799536), (8, 106124710), (10, 84899768), (16, 53062355), (17, 49941040), (20, 42449884), (34, 24970520), (40, 21224942), (68, 12485260), (80, 10612471), (85, 9988208), (136, 6242630), (170, 4994104), (199, 4266320), (272, 3121315), (340, 2497052), (398, 2133160), (680, 1248526), (796, 1066580), (995, 853264), (1360, 624263), (1592, 533290), (1990, 426632), (3137, 270640), (3184, 266645), (3383, 250960), (3980, 213316), (6274, 135320), (6766, 125480), (7960, 106658), (12548, 67660), (13532, 62740), (15685, 54128), (15920, 53329), (16915, 50192), (25096, 33830), (27064, 31370)]