212866720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120947}}^1$

素因数の和:120973

約数の個数: 48

約数和(自身を含む): 548620128

約数和(自身を除く): 335753408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 120947, 241894, 483788, 604735, 967576, 1209470, 1330417, 1935152, 2418940, 2660834, 3870304, 4837880, 5321668, 6652085, 9675760, 10643336, 13304170, 19351520, 21286672, 26608340, 42573344, 53216680, 106433360, 212866720]

約数ペア:

[(1, 212866720), (2, 106433360), (4, 53216680), (5, 42573344), (8, 26608340), (10, 21286672), (11, 19351520), (16, 13304170), (20, 10643336), (22, 9675760), (32, 6652085), (40, 5321668), (44, 4837880), (55, 3870304), (80, 2660834), (88, 2418940), (110, 1935152), (160, 1330417), (176, 1209470), (220, 967576), (352, 604735), (440, 483788), (880, 241894), (1760, 120947)]