389538660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13063}}^1$

素因数の和:13153

約数の個数: 96

約数和(自身を含む): 1264177152

約数和(自身を除く): 874638492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 7455, 9940, 13063, 14910, 26126, 29820, 39189, 52252, 65315, 78378, 91441, 130630, 156756, 182882, 195945, 261260, 274323, 365764, 391890, 457205, 548646, 783780, 914410, 927473, 1097292, 1371615, 1828820, 1854946, 2743230, 2782419, 3709892, 4637365, 5486460, 5564838, 6492311, 9274730, 11129676, 12984622, 13912095, 18549460, 19476933, 25969244, 27824190, 32461555, 38953866, 55648380, 64923110, 77907732, 97384665, 129846220, 194769330, 389538660]

約数ペア:

[(1, 389538660), (2, 194769330), (3, 129846220), (4, 97384665), (5, 77907732), (6, 64923110), (7, 55648380), (10, 38953866), (12, 32461555), (14, 27824190), (15, 25969244), (20, 19476933), (21, 18549460), (28, 13912095), (30, 12984622), (35, 11129676), (42, 9274730), (60, 6492311), (70, 5564838), (71, 5486460), (84, 4637365), (105, 3709892), (140, 2782419), (142, 2743230), (210, 1854946), (213, 1828820), (284, 1371615), (355, 1097292), (420, 927473), (426, 914410), (497, 783780), (710, 548646), (852, 457205), (994, 391890), (1065, 365764), (1420, 274323), (1491, 261260), (1988, 195945), (2130, 182882), (2485, 156756), (2982, 130630), (4260, 91441), (4970, 78378), (5964, 65315), (7455, 52252), (9940, 39189), (13063, 29820), (14910, 26126)]