2787170940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499493}}^1$

素因数の和:499539

約数の個数: 72

約数和(自身を含む): 8727159168

約数和(自身を除く): 5939988228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 499493, 998986, 1498479, 1997972, 2497465, 2996958, 4495437, 4994930, 5993916, 7492395, 8990874, 9989860, 14984790, 15484283, 17981748, 22477185, 29969580, 30968566, 44954370, 46452849, 61937132, 77421415, 89908740, 92905698, 139358547, 154842830, 185811396, 232264245, 278717094, 309685660, 464528490, 557434188, 696792735, 929056980, 1393585470, 2787170940]

約数ペア:

[(1, 2787170940), (2, 1393585470), (3, 929056980), (4, 696792735), (5, 557434188), (6, 464528490), (9, 309685660), (10, 278717094), (12, 232264245), (15, 185811396), (18, 154842830), (20, 139358547), (30, 92905698), (31, 89908740), (36, 77421415), (45, 61937132), (60, 46452849), (62, 44954370), (90, 30968566), (93, 29969580), (124, 22477185), (155, 17981748), (180, 15484283), (186, 14984790), (279, 9989860), (310, 8990874), (372, 7492395), (465, 5993916), (558, 4994930), (620, 4495437), (930, 2996958), (1116, 2497465), (1395, 1997972), (1860, 1498479), (2790, 998986), (5580, 499493)]