7924980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18869}}^1$

素因数の和:18888

約数の個数: 48

約数和(自身を含む): 25361280

約数和(自身を除く): 17436300

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, 18869, 37738, 56607, 75476, 94345, 113214, 132083, 188690, 226428, 264166, 283035, 377380, 396249, 528332, 566070, 660415, 792498, 1132140, 1320830, 1584996, 1981245, 2641660, 3962490, 7924980]

約数ペア:

[(1, 7924980), (2, 3962490), (3, 2641660), (4, 1981245), (5, 1584996), (6, 1320830), (7, 1132140), (10, 792498), (12, 660415), (14, 566070), (15, 528332), (20, 396249), (21, 377380), (28, 283035), (30, 264166), (35, 226428), (42, 188690), (60, 132083), (70, 113214), (84, 94345), (105, 75476), (140, 56607), (210, 37738), (420, 18869)]