645842288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 1565748000

約数和(自身を除く): 919905712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 149, 169, 182, 208, 229, 298, 338, 364, 458, 596, 676, 728, 916, 1043, 1183, 1192, 1352, 1456, 1603, 1832, 1937, 2086, 2366, 2384, 2704, 2977, 3206, 3664, 3874, 4172, 4732, 5954, 6412, 7748, 8344, 9464, 11908, 12824, 13559, 15496, 16688, 18928, 20839, 23816, 25181, 25648, 27118, 30992, 34121, 38701, 41678, 47632, 50362, 54236, 68242, 77402, 83356, 100724, 108472, 136484, 154804, 166712, 176267, 201448, 216944, 238847, 270907, 272968, 309608, 333424, 352534, 402896, 443573, 477694, 541814, 545936, 619216, 705068, 887146, 955388, 1083628, 1410136, 1774292, 1910776, 2167256, 2820272, 3105011, 3548584, 3821552, 4334512, 5766449, 6210022, 7097168, 11532898, 12420044, 23065796, 24840088, 40365143, 46131592, 49680176, 80730286, 92263184, 161460572, 322921144, 645842288]

約数ペア:

[(1, 645842288), (2, 322921144), (4, 161460572), (7, 92263184), (8, 80730286), (13, 49680176), (14, 46131592), (16, 40365143), (26, 24840088), (28, 23065796), (52, 12420044), (56, 11532898), (91, 7097168), (104, 6210022), (112, 5766449), (149, 4334512), (169, 3821552), (182, 3548584), (208, 3105011), (229, 2820272), (298, 2167256), (338, 1910776), (364, 1774292), (458, 1410136), (596, 1083628), (676, 955388), (728, 887146), (916, 705068), (1043, 619216), (1183, 545936), (1192, 541814), (1352, 477694), (1456, 443573), (1603, 402896), (1832, 352534), (1937, 333424), (2086, 309608), (2366, 272968), (2384, 270907), (2704, 238847), (2977, 216944), (3206, 201448), (3664, 176267), (3874, 166712), (4172, 154804), (4732, 136484), (5954, 108472), (6412, 100724), (7748, 83356), (8344, 77402), (9464, 68242), (11908, 54236), (12824, 50362), (13559, 47632), (15496, 41678), (16688, 38701), (18928, 34121), (20839, 30992), (23816, 27118), (25181, 25648)]