28691150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 56514240

約数和(自身を除く): 27823090

約数列:

[1, 2, 5, 10, 25, 29, 47, 50, 58, 94, 145, 235, 290, 421, 470, 725, 842, 1175, 1363, 1450, 2105, 2350, 2726, 4210, 6815, 10525, 12209, 13630, 19787, 21050, 24418, 34075, 39574, 61045, 68150, 98935, 122090, 197870, 305225, 494675, 573823, 610450, 989350, 1147646, 2869115, 5738230, 14345575, 28691150]

約数ペア:

[(1, 28691150), (2, 14345575), (5, 5738230), (10, 2869115), (25, 1147646), (29, 989350), (47, 610450), (50, 573823), (58, 494675), (94, 305225), (145, 197870), (235, 122090), (290, 98935), (421, 68150), (470, 61045), (725, 39574), (842, 34075), (1175, 24418), (1363, 21050), (1450, 19787), (2105, 13630), (2350, 12209), (2726, 10525), (4210, 6815)]