78739450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 152909856

約数和(自身を除く): 74170406

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 86, 106, 215, 265, 430, 530, 691, 1075, 1325, 1382, 2150, 2279, 2650, 3455, 4558, 6910, 11395, 17275, 22790, 29713, 34550, 36623, 56975, 59426, 73246, 113950, 148565, 183115, 297130, 366230, 742825, 915575, 1485650, 1574789, 1831150, 3149578, 7873945, 15747890, 39369725, 78739450]

約数ペア:

[(1, 78739450), (2, 39369725), (5, 15747890), (10, 7873945), (25, 3149578), (43, 1831150), (50, 1574789), (53, 1485650), (86, 915575), (106, 742825), (215, 366230), (265, 297130), (430, 183115), (530, 148565), (691, 113950), (1075, 73246), (1325, 59426), (1382, 56975), (2150, 36623), (2279, 34550), (2650, 29713), (3455, 22790), (4558, 17275), (6910, 11395)]