289898675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 417294720

約数和(自身を除く): 127396045

約数列:

[1, 5, 11, 19, 25, 55, 95, 113, 209, 275, 475, 491, 565, 1045, 1243, 2147, 2455, 2825, 5225, 5401, 6215, 9329, 10735, 12275, 23617, 27005, 31075, 46645, 53675, 55483, 102619, 118085, 135025, 233225, 277415, 513095, 590425, 610313, 1054177, 1387075, 2565475, 3051565, 5270885, 11595947, 15257825, 26354425, 57979735, 289898675]

約数ペア:

[(1, 289898675), (5, 57979735), (11, 26354425), (19, 15257825), (25, 11595947), (55, 5270885), (95, 3051565), (113, 2565475), (209, 1387075), (275, 1054177), (475, 610313), (491, 590425), (565, 513095), (1045, 277415), (1243, 233225), (2147, 135025), (2455, 118085), (2825, 102619), (5225, 55483), (5401, 53675), (6215, 46645), (9329, 31075), (10735, 27005), (12275, 23617)]