31444980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74869}}^1$

素因数の和:74888

約数の個数: 48

約数和(自身を含む): 100625280

約数和(自身を除く): 69180300

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, 74869, 149738, 224607, 299476, 374345, 449214, 524083, 748690, 898428, 1048166, 1123035, 1497380, 1572249, 2096332, 2246070, 2620415, 3144498, 4492140, 5240830, 6288996, 7861245, 10481660, 15722490, 31444980]

約数ペア:

[(1, 31444980), (2, 15722490), (3, 10481660), (4, 7861245), (5, 6288996), (6, 5240830), (7, 4492140), (10, 3144498), (12, 2620415), (14, 2246070), (15, 2096332), (20, 1572249), (21, 1497380), (28, 1123035), (30, 1048166), (35, 898428), (42, 748690), (60, 524083), (70, 449214), (84, 374345), (105, 299476), (140, 224607), (210, 149738), (420, 74869)]