90390575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 131991552

約数和(自身を除く): 41600977

約数列:

[1, 5, 11, 23, 25, 31, 55, 115, 155, 253, 275, 341, 461, 575, 713, 775, 1265, 1705, 2305, 3565, 5071, 6325, 7843, 8525, 10603, 11525, 14291, 17825, 25355, 39215, 53015, 71455, 116633, 126775, 157201, 196075, 265075, 328693, 357275, 583165, 786005, 1643465, 2915825, 3615623, 3930025, 8217325, 18078115, 90390575]

約数ペア:

[(1, 90390575), (5, 18078115), (11, 8217325), (23, 3930025), (25, 3615623), (31, 2915825), (55, 1643465), (115, 786005), (155, 583165), (253, 357275), (275, 328693), (341, 265075), (461, 196075), (575, 157201), (713, 126775), (775, 116633), (1265, 71455), (1705, 53015), (2305, 39215), (3565, 25355), (5071, 17825), (6325, 14291), (7843, 11525), (8525, 10603)]