28954100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 108

約数和(自身を含む): 77182560

約数和(自身を除く): 48228460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 245, 266, 311, 350, 380, 475, 490, 532, 622, 665, 700, 931, 950, 980, 1225, 1244, 1330, 1555, 1862, 1900, 2177, 2450, 2660, 3110, 3325, 3724, 4354, 4655, 4900, 5909, 6220, 6650, 7775, 8708, 9310, 10885, 11818, 13300, 15239, 15550, 18620, 21770, 23275, 23636, 29545, 30478, 31100, 41363, 43540, 46550, 54425, 59090, 60956, 76195, 82726, 93100, 108850, 118180, 147725, 152390, 165452, 206815, 217700, 289541, 295450, 304780, 380975, 413630, 579082, 590900, 761950, 827260, 1034075, 1158164, 1447705, 1523900, 2068150, 2895410, 4136300, 5790820, 7238525, 14477050, 28954100]

約数ペア:

[(1, 28954100), (2, 14477050), (4, 7238525), (5, 5790820), (7, 4136300), (10, 2895410), (14, 2068150), (19, 1523900), (20, 1447705), (25, 1158164), (28, 1034075), (35, 827260), (38, 761950), (49, 590900), (50, 579082), (70, 413630), (76, 380975), (95, 304780), (98, 295450), (100, 289541), (133, 217700), (140, 206815), (175, 165452), (190, 152390), (196, 147725), (245, 118180), (266, 108850), (311, 93100), (350, 82726), (380, 76195), (475, 60956), (490, 59090), (532, 54425), (622, 46550), (665, 43540), (700, 41363), (931, 31100), (950, 30478), (980, 29545), (1225, 23636), (1244, 23275), (1330, 21770), (1555, 18620), (1862, 15550), (1900, 15239), (2177, 13300), (2450, 11818), (2660, 10885), (3110, 9310), (3325, 8708), (3724, 7775), (4354, 6650), (4655, 6220), (4900, 5909)]