8440540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10429220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 311, 460, 590, 622, 1180, 1244, 1357, 1555, 2714, 3110, 5428, 6220, 6785, 7153, 13570, 14306, 18349, 27140, 28612, 35765, 36698, 71530, 73396, 91745, 143060, 183490, 366980, 422027, 844054, 1688108, 2110135, 4220270, 8440540]

約数ペア:

[(1, 8440540), (2, 4220270), (4, 2110135), (5, 1688108), (10, 844054), (20, 422027), (23, 366980), (46, 183490), (59, 143060), (92, 91745), (115, 73396), (118, 71530), (230, 36698), (236, 35765), (295, 28612), (311, 27140), (460, 18349), (590, 14306), (622, 13570), (1180, 7153), (1244, 6785), (1357, 6220), (1555, 5428), (2714, 3110)]