39878650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 72

約数和(自身を含む): 88611516

約数和(自身を除く): 48732866

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 287, 350, 397, 410, 490, 574, 794, 1025, 1225, 1435, 1985, 2009, 2050, 2450, 2779, 2870, 3970, 4018, 5558, 7175, 9925, 10045, 13895, 14350, 16277, 19453, 19850, 20090, 27790, 32554, 38906, 50225, 69475, 81385, 97265, 100450, 113939, 138950, 162770, 194530, 227878, 406925, 486325, 569695, 797573, 813850, 972650, 1139390, 1595146, 2848475, 3987865, 5696950, 7975730, 19939325, 39878650]

約数ペア:

[(1, 39878650), (2, 19939325), (5, 7975730), (7, 5696950), (10, 3987865), (14, 2848475), (25, 1595146), (35, 1139390), (41, 972650), (49, 813850), (50, 797573), (70, 569695), (82, 486325), (98, 406925), (175, 227878), (205, 194530), (245, 162770), (287, 138950), (350, 113939), (397, 100450), (410, 97265), (490, 81385), (574, 69475), (794, 50225), (1025, 38906), (1225, 32554), (1435, 27790), (1985, 20090), (2009, 19850), (2050, 19453), (2450, 16277), (2779, 14350), (2870, 13895), (3970, 10045), (4018, 9925), (5558, 7175)]