82278650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 159751680

約数和(自身を除く): 77473030

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 487, 545, 775, 974, 1090, 1550, 2435, 2725, 3379, 4870, 5450, 6758, 12175, 15097, 16895, 24350, 30194, 33790, 53083, 75485, 84475, 106166, 150970, 168950, 265415, 377425, 530830, 754850, 1327075, 1645573, 2654150, 3291146, 8227865, 16455730, 41139325, 82278650]

約数ペア:

[(1, 82278650), (2, 41139325), (5, 16455730), (10, 8227865), (25, 3291146), (31, 2654150), (50, 1645573), (62, 1327075), (109, 754850), (155, 530830), (218, 377425), (310, 265415), (487, 168950), (545, 150970), (775, 106166), (974, 84475), (1090, 75485), (1550, 53083), (2435, 33790), (2725, 30194), (3379, 24350), (4870, 16895), (5450, 15097), (6758, 12175)]