2515697740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{238681}}^1$

素因数の和:238738

約数の個数: 48

約数和(自身を含む): 5774194944

約数和(自身を除く): 3258497204

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 238681, 477362, 954724, 1193405, 2386810, 4057577, 4773620, 7399111, 8115154, 14798222, 16230308, 20287885, 29596444, 36995555, 40575770, 73991110, 81151540, 125784887, 147982220, 251569774, 503139548, 628924435, 1257848870, 2515697740]

約数ペア:

[(1, 2515697740), (2, 1257848870), (4, 628924435), (5, 503139548), (10, 251569774), (17, 147982220), (20, 125784887), (31, 81151540), (34, 73991110), (62, 40575770), (68, 36995555), (85, 29596444), (124, 20287885), (155, 16230308), (170, 14798222), (310, 8115154), (340, 7399111), (527, 4773620), (620, 4057577), (1054, 2386810), (2108, 1193405), (2635, 954724), (5270, 477362), (10540, 238681)]