28474020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{158189}}^1$

素因数の和:158204

約数の個数: 36

約数和(自身を含む): 86371740

約数和(自身を除く): 57897720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 158189, 316378, 474567, 632756, 790945, 949134, 1423701, 1581890, 1898268, 2372835, 2847402, 3163780, 4745670, 5694804, 7118505, 9491340, 14237010, 28474020]

約数ペア:

[(1, 28474020), (2, 14237010), (3, 9491340), (4, 7118505), (5, 5694804), (6, 4745670), (9, 3163780), (10, 2847402), (12, 2372835), (15, 1898268), (18, 1581890), (20, 1423701), (30, 949134), (36, 790945), (45, 632756), (60, 474567), (90, 316378), (180, 158189)]