247381550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12277}}^1$

素因数の和:12333

約数の個数: 48

約数和(自身を含む): 511550592

約数和(自身を除く): 264169042

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 12277, 20150, 24554, 61385, 122770, 159601, 306925, 319202, 380587, 613850, 761174, 798005, 1596010, 1902935, 3805870, 3990025, 4947631, 7980050, 9514675, 9895262, 19029350, 24738155, 49476310, 123690775, 247381550]

約数ペア:

[(1, 247381550), (2, 123690775), (5, 49476310), (10, 24738155), (13, 19029350), (25, 9895262), (26, 9514675), (31, 7980050), (50, 4947631), (62, 3990025), (65, 3805870), (130, 1902935), (155, 1596010), (310, 798005), (325, 761174), (403, 613850), (650, 380587), (775, 319202), (806, 306925), (1550, 159601), (2015, 122770), (4030, 61385), (10075, 24554), (12277, 20150)]