29490620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 63987840

約数和(自身を除く): 34497220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 229, 235, 274, 458, 470, 548, 685, 916, 940, 1145, 1370, 2290, 2740, 4580, 6439, 10763, 12878, 21526, 25756, 31373, 32195, 43052, 53815, 62746, 64390, 107630, 125492, 128780, 156865, 215260, 313730, 627460, 1474531, 2949062, 5898124, 7372655, 14745310, 29490620]

約数ペア:

[(1, 29490620), (2, 14745310), (4, 7372655), (5, 5898124), (10, 2949062), (20, 1474531), (47, 627460), (94, 313730), (137, 215260), (188, 156865), (229, 128780), (235, 125492), (274, 107630), (458, 64390), (470, 62746), (548, 53815), (685, 43052), (916, 32195), (940, 31373), (1145, 25756), (1370, 21526), (2290, 12878), (2740, 10763), (4580, 6439)]