64139950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 136982304

約数和(自身を除く): 72842354

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 401, 457, 802, 914, 2005, 2285, 2807, 3199, 4010, 4570, 5614, 6398, 10025, 11425, 14035, 15995, 20050, 22850, 28070, 31990, 70175, 79975, 140350, 159950, 183257, 366514, 916285, 1282799, 1832570, 2565598, 4581425, 6413995, 9162850, 12827990, 32069975, 64139950]

約数ペア:

[(1, 64139950), (2, 32069975), (5, 12827990), (7, 9162850), (10, 6413995), (14, 4581425), (25, 2565598), (35, 1832570), (50, 1282799), (70, 916285), (175, 366514), (350, 183257), (401, 159950), (457, 140350), (802, 79975), (914, 70175), (2005, 31990), (2285, 28070), (2807, 22850), (3199, 20050), (4010, 15995), (4570, 14035), (5614, 11425), (6398, 10025)]