8278550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 18659520

約数和(自身を除く): 10380970

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 109, 155, 175, 217, 218, 245, 310, 350, 434, 490, 545, 763, 775, 1085, 1090, 1225, 1519, 1526, 1550, 2170, 2450, 2725, 3038, 3379, 3815, 5341, 5425, 5450, 6758, 7595, 7630, 10682, 10850, 15190, 16895, 19075, 23653, 26705, 33790, 37975, 38150, 47306, 53410, 75950, 84475, 118265, 133525, 165571, 168950, 236530, 267050, 331142, 591325, 827855, 1182650, 1655710, 4139275, 8278550]

約数ペア:

[(1, 8278550), (2, 4139275), (5, 1655710), (7, 1182650), (10, 827855), (14, 591325), (25, 331142), (31, 267050), (35, 236530), (49, 168950), (50, 165571), (62, 133525), (70, 118265), (98, 84475), (109, 75950), (155, 53410), (175, 47306), (217, 38150), (218, 37975), (245, 33790), (310, 26705), (350, 23653), (434, 19075), (490, 16895), (545, 15190), (763, 10850), (775, 10682), (1085, 7630), (1090, 7595), (1225, 6758), (1519, 5450), (1526, 5425), (1550, 5341), (2170, 3815), (2450, 3379), (2725, 3038)]