389531100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{185491}}^1$

素因数の和:185515

約数の個数: 72

約数和(自身を含む): 1288056448

約数和(自身を除く): 898525348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 185491, 370982, 556473, 741964, 927455, 1112946, 1298437, 1854910, 2225892, 2596874, 2782365, 3709820, 3895311, 4637275, 5193748, 5564730, 6492185, 7790622, 9274550, 11129460, 12984370, 13911825, 15581244, 18549100, 19476555, 25968740, 27823650, 32460925, 38953110, 55647300, 64921850, 77906220, 97382775, 129843700, 194765550, 389531100]

約数ペア:

[(1, 389531100), (2, 194765550), (3, 129843700), (4, 97382775), (5, 77906220), (6, 64921850), (7, 55647300), (10, 38953110), (12, 32460925), (14, 27823650), (15, 25968740), (20, 19476555), (21, 18549100), (25, 15581244), (28, 13911825), (30, 12984370), (35, 11129460), (42, 9274550), (50, 7790622), (60, 6492185), (70, 5564730), (75, 5193748), (84, 4637275), (100, 3895311), (105, 3709820), (140, 2782365), (150, 2596874), (175, 2225892), (210, 1854910), (300, 1298437), (350, 1112946), (420, 927455), (525, 741964), (700, 556473), (1050, 370982), (2100, 185491)]