153938650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 293874048

約数和(自身を除く): 139935398

約数列:

[1, 2, 5, 10, 25, 50, 71, 103, 142, 206, 355, 421, 515, 710, 842, 1030, 1775, 2105, 2575, 3550, 4210, 5150, 7313, 10525, 14626, 21050, 29891, 36565, 43363, 59782, 73130, 86726, 149455, 182825, 216815, 298910, 365650, 433630, 747275, 1084075, 1494550, 2168150, 3078773, 6157546, 15393865, 30787730, 76969325, 153938650]

約数ペア:

[(1, 153938650), (2, 76969325), (5, 30787730), (10, 15393865), (25, 6157546), (50, 3078773), (71, 2168150), (103, 1494550), (142, 1084075), (206, 747275), (355, 433630), (421, 365650), (515, 298910), (710, 216815), (842, 182825), (1030, 149455), (1775, 86726), (2105, 73130), (2575, 59782), (3550, 43363), (4210, 36565), (5150, 29891), (7313, 21050), (10525, 14626)]