1213236460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67477}}^1$

素因数の和:67546

約数の個数: 48

約数和(自身を含む): 2720712960

約数和(自身を除く): 1507476500

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980, 67477, 134954, 269908, 337385, 674770, 1349540, 1956833, 2091787, 3913666, 4183574, 7827332, 8367148, 9784165, 10458935, 19568330, 20917870, 39136660, 41835740, 60661823, 121323646, 242647292, 303309115, 606618230, 1213236460]

約数ペア:

[(1, 1213236460), (2, 606618230), (4, 303309115), (5, 242647292), (10, 121323646), (20, 60661823), (29, 41835740), (31, 39136660), (58, 20917870), (62, 19568330), (116, 10458935), (124, 9784165), (145, 8367148), (155, 7827332), (290, 4183574), (310, 3913666), (580, 2091787), (620, 1956833), (899, 1349540), (1798, 674770), (3596, 337385), (4495, 269908), (8990, 134954), (17980, 67477)]