890303920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3761}}^1$

素因数の和:4054

約数の個数: 80

約数和(自身を含む): 2267131680

約数和(自身を除く): 1376827760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 440, 538, 880, 1076, 1345, 2152, 2690, 2959, 3761, 4304, 5380, 5918, 7522, 10760, 11836, 14795, 15044, 18805, 21520, 23672, 29590, 30088, 37610, 41371, 47344, 59180, 60176, 75220, 82742, 118360, 150440, 165484, 206855, 236720, 300880, 330968, 413710, 661936, 827420, 1011709, 1654840, 2023418, 3309680, 4046836, 5058545, 8093672, 10117090, 11128799, 16187344, 20234180, 22257598, 40468360, 44515196, 55643995, 80936720, 89030392, 111287990, 178060784, 222575980, 445151960, 890303920]

約数ペア:

[(1, 890303920), (2, 445151960), (4, 222575980), (5, 178060784), (8, 111287990), (10, 89030392), (11, 80936720), (16, 55643995), (20, 44515196), (22, 40468360), (40, 22257598), (44, 20234180), (55, 16187344), (80, 11128799), (88, 10117090), (110, 8093672), (176, 5058545), (220, 4046836), (269, 3309680), (440, 2023418), (538, 1654840), (880, 1011709), (1076, 827420), (1345, 661936), (2152, 413710), (2690, 330968), (2959, 300880), (3761, 236720), (4304, 206855), (5380, 165484), (5918, 150440), (7522, 118360), (10760, 82742), (11836, 75220), (14795, 60176), (15044, 59180), (18805, 47344), (21520, 41371), (23672, 37610), (29590, 30088)]