2438920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 6272640

約数和(自身を除く): 3833720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 241, 253, 440, 460, 482, 506, 920, 964, 1012, 1205, 1265, 1928, 2024, 2410, 2530, 2651, 4820, 5060, 5302, 5543, 9640, 10120, 10604, 11086, 13255, 21208, 22172, 26510, 27715, 44344, 53020, 55430, 60973, 106040, 110860, 121946, 221720, 243892, 304865, 487784, 609730, 1219460, 2438920]

約数ペア:

[(1, 2438920), (2, 1219460), (4, 609730), (5, 487784), (8, 304865), (10, 243892), (11, 221720), (20, 121946), (22, 110860), (23, 106040), (40, 60973), (44, 55430), (46, 53020), (55, 44344), (88, 27715), (92, 26510), (110, 22172), (115, 21208), (184, 13255), (220, 11086), (230, 10604), (241, 10120), (253, 9640), (440, 5543), (460, 5302), (482, 5060), (506, 4820), (920, 2651), (964, 2530), (1012, 2410), (1205, 2024), (1265, 1928)]