206877640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2063}}^1$

素因数の和:2206

約数の個数: 64

約数和(自身を含む): 490406400

約数和(自身を除く): 283528760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 436, 460, 545, 872, 920, 1090, 2063, 2180, 2507, 4126, 4360, 5014, 8252, 10028, 10315, 12535, 16504, 20056, 20630, 25070, 41260, 47449, 50140, 82520, 94898, 100280, 189796, 224867, 237245, 379592, 449734, 474490, 899468, 948980, 1124335, 1798936, 1897960, 2248670, 4497340, 5171941, 8994680, 10343882, 20687764, 25859705, 41375528, 51719410, 103438820, 206877640]

約数ペア:

[(1, 206877640), (2, 103438820), (4, 51719410), (5, 41375528), (8, 25859705), (10, 20687764), (20, 10343882), (23, 8994680), (40, 5171941), (46, 4497340), (92, 2248670), (109, 1897960), (115, 1798936), (184, 1124335), (218, 948980), (230, 899468), (436, 474490), (460, 449734), (545, 379592), (872, 237245), (920, 224867), (1090, 189796), (2063, 100280), (2180, 94898), (2507, 82520), (4126, 50140), (4360, 47449), (5014, 41260), (8252, 25070), (10028, 20630), (10315, 20056), (12535, 16504)]