2215206820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{102461}}^1$

素因数の和:102540

約数の個数: 48

約数和(自身を含む): 4957521408

約数和(自身を除く): 2742314588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 102461, 204922, 409844, 512305, 1024610, 2049220, 2356603, 4713206, 4815667, 9426412, 9631334, 11783015, 19262668, 23566030, 24078335, 47132060, 48156670, 96313340, 110760341, 221520682, 443041364, 553801705, 1107603410, 2215206820]

約数ペア:

[(1, 2215206820), (2, 1107603410), (4, 553801705), (5, 443041364), (10, 221520682), (20, 110760341), (23, 96313340), (46, 48156670), (47, 47132060), (92, 24078335), (94, 23566030), (115, 19262668), (188, 11783015), (230, 9631334), (235, 9426412), (460, 4815667), (470, 4713206), (940, 2356603), (1081, 2049220), (2162, 1024610), (4324, 512305), (5405, 409844), (10810, 204922), (21620, 102461)]