249570390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{16943}}^1$

素因数の和:17444

約数の個数: 32

約数和(自身を含む): 600224256

約数和(自身を除く): 350653866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 982, 1473, 2455, 2946, 4910, 7365, 14730, 16943, 33886, 50829, 84715, 101658, 169430, 254145, 508290, 8319013, 16638026, 24957039, 41595065, 49914078, 83190130, 124785195, 249570390]

約数ペア:

[(1, 249570390), (2, 124785195), (3, 83190130), (5, 49914078), (6, 41595065), (10, 24957039), (15, 16638026), (30, 8319013), (491, 508290), (982, 254145), (1473, 169430), (2455, 101658), (2946, 84715), (4910, 50829), (7365, 33886), (14730, 16943)]