490851760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6691}}^1$

素因数の和:6842

約数の個数: 80

約数和(自身を含む): 1314415872

約数和(自身を除く): 823564112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 3668, 4585, 5240, 6691, 7336, 9170, 10480, 13382, 14672, 18340, 26764, 33455, 36680, 46837, 53528, 66910, 73360, 93674, 107056, 133820, 187348, 234185, 267640, 374696, 468370, 535280, 749392, 876521, 936740, 1753042, 1873480, 3506084, 3746960, 4382605, 6135647, 7012168, 8765210, 12271294, 14024336, 17530420, 24542588, 30678235, 35060840, 49085176, 61356470, 70121680, 98170352, 122712940, 245425880, 490851760]

約数ペア:

[(1, 490851760), (2, 245425880), (4, 122712940), (5, 98170352), (7, 70121680), (8, 61356470), (10, 49085176), (14, 35060840), (16, 30678235), (20, 24542588), (28, 17530420), (35, 14024336), (40, 12271294), (56, 8765210), (70, 7012168), (80, 6135647), (112, 4382605), (131, 3746960), (140, 3506084), (262, 1873480), (280, 1753042), (524, 936740), (560, 876521), (655, 749392), (917, 535280), (1048, 468370), (1310, 374696), (1834, 267640), (2096, 234185), (2620, 187348), (3668, 133820), (4585, 107056), (5240, 93674), (6691, 73360), (7336, 66910), (9170, 53528), (10480, 46837), (13382, 36680), (14672, 33455), (18340, 26764)]