28806050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:532

約数の個数: 72

約数和(自身を含む): 66442176

約数和(自身を除く): 37636126

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 169, 175, 182, 325, 338, 350, 455, 487, 650, 845, 910, 974, 1183, 1690, 2275, 2366, 2435, 3409, 4225, 4550, 4870, 5915, 6331, 6818, 8450, 11830, 12175, 12662, 17045, 24350, 29575, 31655, 34090, 44317, 59150, 63310, 82303, 85225, 88634, 158275, 164606, 170450, 221585, 316550, 411515, 443170, 576121, 823030, 1107925, 1152242, 2057575, 2215850, 2880605, 4115150, 5761210, 14403025, 28806050]

約数ペア:

[(1, 28806050), (2, 14403025), (5, 5761210), (7, 4115150), (10, 2880605), (13, 2215850), (14, 2057575), (25, 1152242), (26, 1107925), (35, 823030), (50, 576121), (65, 443170), (70, 411515), (91, 316550), (130, 221585), (169, 170450), (175, 164606), (182, 158275), (325, 88634), (338, 85225), (350, 82303), (455, 63310), (487, 59150), (650, 44317), (845, 34090), (910, 31655), (974, 29575), (1183, 24350), (1690, 17045), (2275, 12662), (2366, 12175), (2435, 11830), (3409, 8450), (4225, 6818), (4550, 6331), (4870, 5915)]