7940650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 15713280

約数和(自身を除く): 7772630

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 109, 155, 218, 235, 310, 470, 545, 775, 1090, 1175, 1457, 1550, 2350, 2725, 2914, 3379, 5123, 5450, 6758, 7285, 10246, 14570, 16895, 25615, 33790, 36425, 51230, 72850, 84475, 128075, 158813, 168950, 256150, 317626, 794065, 1588130, 3970325, 7940650]

約数ペア:

[(1, 7940650), (2, 3970325), (5, 1588130), (10, 794065), (25, 317626), (31, 256150), (47, 168950), (50, 158813), (62, 128075), (94, 84475), (109, 72850), (155, 51230), (218, 36425), (235, 33790), (310, 25615), (470, 16895), (545, 14570), (775, 10246), (1090, 7285), (1175, 6758), (1457, 5450), (1550, 5123), (2350, 3379), (2725, 2914)]