1386440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 3576960

約数和(自身を除く): 2190520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 137, 184, 220, 230, 253, 274, 440, 460, 506, 548, 685, 920, 1012, 1096, 1265, 1370, 1507, 2024, 2530, 2740, 3014, 3151, 5060, 5480, 6028, 6302, 7535, 10120, 12056, 12604, 15070, 15755, 25208, 30140, 31510, 34661, 60280, 63020, 69322, 126040, 138644, 173305, 277288, 346610, 693220, 1386440]

約数ペア:

[(1, 1386440), (2, 693220), (4, 346610), (5, 277288), (8, 173305), (10, 138644), (11, 126040), (20, 69322), (22, 63020), (23, 60280), (40, 34661), (44, 31510), (46, 30140), (55, 25208), (88, 15755), (92, 15070), (110, 12604), (115, 12056), (137, 10120), (184, 7535), (220, 6302), (230, 6028), (253, 5480), (274, 5060), (440, 3151), (460, 3014), (506, 2740), (548, 2530), (685, 2024), (920, 1507), (1012, 1370), (1096, 1265)]