28518700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 71495424

約数和(自身を除く): 42976724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 311, 350, 524, 622, 655, 700, 917, 1244, 1310, 1555, 1834, 2177, 2620, 3110, 3275, 3668, 4354, 4585, 6220, 6550, 7775, 8708, 9170, 10885, 13100, 15550, 18340, 21770, 22925, 31100, 40741, 43540, 45850, 54425, 81482, 91700, 108850, 162964, 203705, 217700, 285187, 407410, 570374, 814820, 1018525, 1140748, 1425935, 2037050, 2851870, 4074100, 5703740, 7129675, 14259350, 28518700]

約数ペア:

[(1, 28518700), (2, 14259350), (4, 7129675), (5, 5703740), (7, 4074100), (10, 2851870), (14, 2037050), (20, 1425935), (25, 1140748), (28, 1018525), (35, 814820), (50, 570374), (70, 407410), (100, 285187), (131, 217700), (140, 203705), (175, 162964), (262, 108850), (311, 91700), (350, 81482), (524, 54425), (622, 45850), (655, 43540), (700, 40741), (917, 31100), (1244, 22925), (1310, 21770), (1555, 18340), (1834, 15550), (2177, 13100), (2620, 10885), (3110, 9170), (3275, 8708), (3668, 7775), (4354, 6550), (4585, 6220)]