220998008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 544112640

約数和(自身を除く): 323114632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 71, 77, 88, 124, 142, 154, 163, 217, 248, 284, 308, 326, 341, 434, 497, 568, 616, 652, 682, 781, 868, 994, 1141, 1304, 1364, 1562, 1736, 1793, 1988, 2201, 2282, 2387, 2728, 3124, 3586, 3976, 4402, 4564, 4774, 5053, 5467, 6248, 7172, 8804, 9128, 9548, 10106, 10934, 11573, 12551, 14344, 15407, 17608, 19096, 20212, 21868, 23146, 24211, 25102, 30814, 35371, 40424, 43736, 46292, 48422, 50204, 55583, 61628, 70742, 81011, 92584, 96844, 100408, 111166, 123256, 127303, 141484, 162022, 169477, 193688, 222332, 254606, 282968, 324044, 338954, 358763, 389081, 444664, 509212, 648088, 677908, 717526, 778162, 891121, 1018424, 1355816, 1435052, 1556324, 1782242, 2511341, 2870104, 3112648, 3564484, 3946393, 5022682, 7128968, 7892786, 10045364, 15785572, 20090728, 27624751, 31571144, 55249502, 110499004, 220998008]

約数ペア:

[(1, 220998008), (2, 110499004), (4, 55249502), (7, 31571144), (8, 27624751), (11, 20090728), (14, 15785572), (22, 10045364), (28, 7892786), (31, 7128968), (44, 5022682), (56, 3946393), (62, 3564484), (71, 3112648), (77, 2870104), (88, 2511341), (124, 1782242), (142, 1556324), (154, 1435052), (163, 1355816), (217, 1018424), (248, 891121), (284, 778162), (308, 717526), (326, 677908), (341, 648088), (434, 509212), (497, 444664), (568, 389081), (616, 358763), (652, 338954), (682, 324044), (781, 282968), (868, 254606), (994, 222332), (1141, 193688), (1304, 169477), (1364, 162022), (1562, 141484), (1736, 127303), (1793, 123256), (1988, 111166), (2201, 100408), (2282, 96844), (2387, 92584), (2728, 81011), (3124, 70742), (3586, 61628), (3976, 55583), (4402, 50204), (4564, 48422), (4774, 46292), (5053, 43736), (5467, 40424), (6248, 35371), (7172, 30814), (8804, 25102), (9128, 24211), (9548, 23146), (10106, 21868), (10934, 20212), (11573, 19096), (12551, 17608), (14344, 15407)]