1995420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4751}}^1$

素因数の和:4770

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 4391268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4751, 9502, 14253, 19004, 23755, 28506, 33257, 47510, 57012, 66514, 71265, 95020, 99771, 133028, 142530, 166285, 199542, 285060, 332570, 399084, 498855, 665140, 997710, 1995420]

約数ペア:

[(1, 1995420), (2, 997710), (3, 665140), (4, 498855), (5, 399084), (6, 332570), (7, 285060), (10, 199542), (12, 166285), (14, 142530), (15, 133028), (20, 99771), (21, 95020), (28, 71265), (30, 66514), (35, 57012), (42, 47510), (60, 33257), (70, 28506), (84, 23755), (105, 19004), (140, 14253), (210, 9502), (420, 4751)]