977378920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3490639}}^1$

素因数の和:3490657

約数の個数: 32

約数和(自身を含む): 2513260800

約数和(自身を除く): 1535881880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3490639, 6981278, 13962556, 17453195, 24434473, 27925112, 34906390, 48868946, 69812780, 97737892, 122172365, 139625560, 195475784, 244344730, 488689460, 977378920]

約数ペア:

[(1, 977378920), (2, 488689460), (4, 244344730), (5, 195475784), (7, 139625560), (8, 122172365), (10, 97737892), (14, 69812780), (20, 48868946), (28, 34906390), (35, 27925112), (40, 24434473), (56, 17453195), (70, 13962556), (140, 6981278), (280, 3490639)]