30580900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{79}}^2$

素因数の和:186

約数の個数: 81

約数和(自身を含む): 78184449

約数和(自身を除く): 47603549

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 140, 158, 175, 196, 245, 316, 350, 395, 490, 553, 700, 790, 980, 1106, 1225, 1580, 1975, 2212, 2450, 2765, 3871, 3950, 4900, 5530, 6241, 7742, 7900, 11060, 12482, 13825, 15484, 19355, 24964, 27650, 31205, 38710, 43687, 55300, 62410, 77420, 87374, 96775, 124820, 156025, 174748, 193550, 218435, 305809, 312050, 387100, 436870, 611618, 624100, 873740, 1092175, 1223236, 1529045, 2184350, 3058090, 4368700, 6116180, 7645225, 15290450, 30580900]

約数ペア:

[(1, 30580900), (2, 15290450), (4, 7645225), (5, 6116180), (7, 4368700), (10, 3058090), (14, 2184350), (20, 1529045), (25, 1223236), (28, 1092175), (35, 873740), (49, 624100), (50, 611618), (70, 436870), (79, 387100), (98, 312050), (100, 305809), (140, 218435), (158, 193550), (175, 174748), (196, 156025), (245, 124820), (316, 96775), (350, 87374), (395, 77420), (490, 62410), (553, 55300), (700, 43687), (790, 38710), (980, 31205), (1106, 27650), (1225, 24964), (1580, 19355), (1975, 15484), (2212, 13825), (2450, 12482), (2765, 11060), (3871, 7900), (3950, 7742), (4900, 6241)]