78320900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 195987456

約数和(自身を除く): 117666556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 508, 635, 700, 881, 889, 1270, 1762, 1778, 2540, 3175, 3524, 3556, 4405, 4445, 6167, 6350, 8810, 8890, 12334, 12700, 17620, 17780, 22025, 22225, 24668, 30835, 44050, 44450, 61670, 88100, 88900, 111887, 123340, 154175, 223774, 308350, 447548, 559435, 616700, 783209, 1118870, 1566418, 2237740, 2797175, 3132836, 3916045, 5594350, 7832090, 11188700, 15664180, 19580225, 39160450, 78320900]

約数ペア:

[(1, 78320900), (2, 39160450), (4, 19580225), (5, 15664180), (7, 11188700), (10, 7832090), (14, 5594350), (20, 3916045), (25, 3132836), (28, 2797175), (35, 2237740), (50, 1566418), (70, 1118870), (100, 783209), (127, 616700), (140, 559435), (175, 447548), (254, 308350), (350, 223774), (508, 154175), (635, 123340), (700, 111887), (881, 88900), (889, 88100), (1270, 61670), (1762, 44450), (1778, 44050), (2540, 30835), (3175, 24668), (3524, 22225), (3556, 22025), (4405, 17780), (4445, 17620), (6167, 12700), (6350, 12334), (8810, 8890)]