389625280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1658

約数の個数: 112

約数和(自身を含む): 1027054080

約数和(自身を除く): 637428800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 142, 160, 176, 220, 284, 320, 352, 355, 440, 568, 704, 710, 781, 880, 1136, 1420, 1559, 1562, 1760, 2272, 2840, 3118, 3124, 3520, 3905, 4544, 5680, 6236, 6248, 7795, 7810, 11360, 12472, 12496, 15590, 15620, 17149, 22720, 24944, 24992, 31180, 31240, 34298, 49888, 49984, 62360, 62480, 68596, 85745, 99776, 110689, 124720, 124960, 137192, 171490, 221378, 249440, 249920, 274384, 342980, 442756, 498880, 548768, 553445, 685960, 885512, 1097536, 1106890, 1217579, 1371920, 1771024, 2213780, 2435158, 2743840, 3542048, 4427560, 4870316, 5487680, 6087895, 7084096, 8855120, 9740632, 12175790, 17710240, 19481264, 24351580, 35420480, 38962528, 48703160, 77925056, 97406320, 194812640, 389625280]

約数ペア:

[(1, 389625280), (2, 194812640), (4, 97406320), (5, 77925056), (8, 48703160), (10, 38962528), (11, 35420480), (16, 24351580), (20, 19481264), (22, 17710240), (32, 12175790), (40, 9740632), (44, 8855120), (55, 7084096), (64, 6087895), (71, 5487680), (80, 4870316), (88, 4427560), (110, 3542048), (142, 2743840), (160, 2435158), (176, 2213780), (220, 1771024), (284, 1371920), (320, 1217579), (352, 1106890), (355, 1097536), (440, 885512), (568, 685960), (704, 553445), (710, 548768), (781, 498880), (880, 442756), (1136, 342980), (1420, 274384), (1559, 249920), (1562, 249440), (1760, 221378), (2272, 171490), (2840, 137192), (3118, 124960), (3124, 124720), (3520, 110689), (3905, 99776), (4544, 85745), (5680, 68596), (6236, 62480), (6248, 62360), (7795, 49984), (7810, 49888), (11360, 34298), (12472, 31240), (12496, 31180), (15590, 24992), (15620, 24944), (17149, 22720)]