389725560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51551}}^1$

素因数の和:51578

約数の個数: 128

約数和(自身を含む): 1484697600

約数和(自身を除く): 1094972040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51551, 103102, 154653, 206204, 257755, 309306, 360857, 412408, 463959, 515510, 618612, 721714, 773265, 927918, 1031020, 1082571, 1237224, 1391877, 1443428, 1546530, 1804285, 1855836, 2062040, 2165142, 2319795, 2783754, 2886856, 3093060, 3247713, 3608570, 3711672, 4330284, 4639590, 5412855, 5567508, 6186120, 6495426, 6959385, 7217140, 8660568, 9279180, 9743139, 10825710, 11135016, 12990852, 13918770, 14434280, 16238565, 18558360, 19486278, 21651420, 25981704, 27837540, 32477130, 38972556, 43302840, 48715695, 55675080, 64954260, 77945112, 97431390, 129908520, 194862780, 389725560]

約数ペア:

[(1, 389725560), (2, 194862780), (3, 129908520), (4, 97431390), (5, 77945112), (6, 64954260), (7, 55675080), (8, 48715695), (9, 43302840), (10, 38972556), (12, 32477130), (14, 27837540), (15, 25981704), (18, 21651420), (20, 19486278), (21, 18558360), (24, 16238565), (27, 14434280), (28, 13918770), (30, 12990852), (35, 11135016), (36, 10825710), (40, 9743139), (42, 9279180), (45, 8660568), (54, 7217140), (56, 6959385), (60, 6495426), (63, 6186120), (70, 5567508), (72, 5412855), (84, 4639590), (90, 4330284), (105, 3711672), (108, 3608570), (120, 3247713), (126, 3093060), (135, 2886856), (140, 2783754), (168, 2319795), (180, 2165142), (189, 2062040), (210, 1855836), (216, 1804285), (252, 1546530), (270, 1443428), (280, 1391877), (315, 1237224), (360, 1082571), (378, 1031020), (420, 927918), (504, 773265), (540, 721714), (630, 618612), (756, 515510), (840, 463959), (945, 412408), (1080, 360857), (1260, 309306), (1512, 257755), (1890, 206204), (2520, 154653), (3780, 103102), (7560, 51551)]