389640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 1244160

約数和(自身を除く): 854520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 191, 204, 255, 340, 382, 408, 510, 573, 680, 764, 955, 1020, 1146, 1528, 1910, 2040, 2292, 2865, 3247, 3820, 4584, 5730, 6494, 7640, 9741, 11460, 12988, 16235, 19482, 22920, 25976, 32470, 38964, 48705, 64940, 77928, 97410, 129880, 194820, 389640]

約数ペア:

[(1, 389640), (2, 194820), (3, 129880), (4, 97410), (5, 77928), (6, 64940), (8, 48705), (10, 38964), (12, 32470), (15, 25976), (17, 22920), (20, 19482), (24, 16235), (30, 12988), (34, 11460), (40, 9741), (51, 7640), (60, 6494), (68, 5730), (85, 4584), (102, 3820), (120, 3247), (136, 2865), (170, 2292), (191, 2040), (204, 1910), (255, 1528), (340, 1146), (382, 1020), (408, 955), (510, 764), (573, 680)]