1090020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 3140928

約数和(自身を除く): 2050908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 491, 555, 740, 982, 1110, 1473, 1964, 2220, 2455, 2946, 4910, 5892, 7365, 9820, 14730, 18167, 29460, 36334, 54501, 72668, 90835, 109002, 181670, 218004, 272505, 363340, 545010, 1090020]

約数ペア:

[(1, 1090020), (2, 545010), (3, 363340), (4, 272505), (5, 218004), (6, 181670), (10, 109002), (12, 90835), (15, 72668), (20, 54501), (30, 36334), (37, 29460), (60, 18167), (74, 14730), (111, 9820), (148, 7365), (185, 5892), (222, 4910), (370, 2946), (444, 2455), (491, 2220), (555, 1964), (740, 1473), (982, 1110)]