74428620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177211}}^1$

素因数の和:177230

約数の個数: 48

約数和(自身を含む): 238172928

約数和(自身を除く): 163744308

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, 177211, 354422, 531633, 708844, 886055, 1063266, 1240477, 1772110, 2126532, 2480954, 2658165, 3544220, 3721431, 4961908, 5316330, 6202385, 7442862, 10632660, 12404770, 14885724, 18607155, 24809540, 37214310, 74428620]

約数ペア:

[(1, 74428620), (2, 37214310), (3, 24809540), (4, 18607155), (5, 14885724), (6, 12404770), (7, 10632660), (10, 7442862), (12, 6202385), (14, 5316330), (15, 4961908), (20, 3721431), (21, 3544220), (28, 2658165), (30, 2480954), (35, 2126532), (42, 1772110), (60, 1240477), (70, 1063266), (84, 886055), (105, 708844), (140, 531633), (210, 354422), (420, 177211)]