358333660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 763670880

約数和(自身を除く): 405337220

約数列:

[1, 2, 4, 5, 10, 20, 139, 157, 278, 314, 556, 628, 695, 785, 821, 1390, 1570, 1642, 2780, 3140, 3284, 4105, 8210, 16420, 21823, 43646, 87292, 109115, 114119, 128897, 218230, 228238, 257794, 436460, 456476, 515588, 570595, 644485, 1141190, 1288970, 2282380, 2577940, 17916683, 35833366, 71666732, 89583415, 179166830, 358333660]

約数ペア:

[(1, 358333660), (2, 179166830), (4, 89583415), (5, 71666732), (10, 35833366), (20, 17916683), (139, 2577940), (157, 2282380), (278, 1288970), (314, 1141190), (556, 644485), (628, 570595), (695, 515588), (785, 456476), (821, 436460), (1390, 257794), (1570, 228238), (1642, 218230), (2780, 128897), (3140, 114119), (3284, 109115), (4105, 87292), (8210, 43646), (16420, 21823)]