4389665

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 2505055

約数列:

[1, 5, 7, 19, 23, 35, 41, 49, 95, 115, 133, 161, 205, 245, 287, 437, 665, 779, 805, 931, 943, 1127, 1435, 2009, 2185, 3059, 3895, 4655, 4715, 5453, 5635, 6601, 10045, 15295, 17917, 21413, 27265, 33005, 38171, 46207, 89585, 107065, 125419, 190855, 231035, 627095, 877933, 4389665]

約数ペア:

[(1, 4389665), (5, 877933), (7, 627095), (19, 231035), (23, 190855), (35, 125419), (41, 107065), (49, 89585), (95, 46207), (115, 38171), (133, 33005), (161, 27265), (205, 21413), (245, 17917), (287, 15295), (437, 10045), (665, 6601), (779, 5635), (805, 5453), (931, 4715), (943, 4655), (1127, 3895), (1435, 3059), (2009, 2185)]