388616580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196271}}^1$

素因数の和:196297

約数の個数: 72

約数和(自身を含む): 1285974144

約数和(自身を除く): 897357564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 196271, 392542, 588813, 785084, 981355, 1177626, 1766439, 1962710, 2158981, 2355252, 2944065, 3532878, 3925420, 4317962, 5888130, 6476943, 7065756, 8635924, 8832195, 10794905, 11776260, 12953886, 17664390, 19430829, 21589810, 25907772, 32384715, 35328780, 38861658, 43179620, 64769430, 77723316, 97154145, 129538860, 194308290, 388616580]

約数ペア:

[(1, 388616580), (2, 194308290), (3, 129538860), (4, 97154145), (5, 77723316), (6, 64769430), (9, 43179620), (10, 38861658), (11, 35328780), (12, 32384715), (15, 25907772), (18, 21589810), (20, 19430829), (22, 17664390), (30, 12953886), (33, 11776260), (36, 10794905), (44, 8832195), (45, 8635924), (55, 7065756), (60, 6476943), (66, 5888130), (90, 4317962), (99, 3925420), (110, 3532878), (132, 2944065), (165, 2355252), (180, 2158981), (198, 1962710), (220, 1766439), (330, 1177626), (396, 981355), (495, 785084), (660, 588813), (990, 392542), (1980, 196271)]