31446940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 81454464

約数和(自身を除く): 50007524

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 73, 85, 119, 140, 146, 170, 181, 238, 292, 340, 362, 365, 476, 511, 595, 724, 730, 905, 1022, 1190, 1241, 1267, 1460, 1810, 2044, 2380, 2482, 2534, 2555, 3077, 3620, 4964, 5068, 5110, 6154, 6205, 6335, 8687, 10220, 12308, 12410, 12670, 13213, 15385, 17374, 21539, 24820, 25340, 26426, 30770, 34748, 43078, 43435, 52852, 61540, 66065, 86156, 86870, 92491, 107695, 132130, 173740, 184982, 215390, 224621, 264260, 369964, 430780, 449242, 462455, 898484, 924910, 1123105, 1572347, 1849820, 2246210, 3144694, 4492420, 6289388, 7861735, 15723470, 31446940]

約数ペア:

[(1, 31446940), (2, 15723470), (4, 7861735), (5, 6289388), (7, 4492420), (10, 3144694), (14, 2246210), (17, 1849820), (20, 1572347), (28, 1123105), (34, 924910), (35, 898484), (68, 462455), (70, 449242), (73, 430780), (85, 369964), (119, 264260), (140, 224621), (146, 215390), (170, 184982), (181, 173740), (238, 132130), (292, 107695), (340, 92491), (362, 86870), (365, 86156), (476, 66065), (511, 61540), (595, 52852), (724, 43435), (730, 43078), (905, 34748), (1022, 30770), (1190, 26426), (1241, 25340), (1267, 24820), (1460, 21539), (1810, 17374), (2044, 15385), (2380, 13213), (2482, 12670), (2534, 12410), (2555, 12308), (3077, 10220), (3620, 8687), (4964, 6335), (5068, 6205), (5110, 6154)]