28298270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 69177024

約数和(自身を除く): 40878754

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 121, 130, 143, 154, 182, 242, 257, 286, 385, 455, 514, 605, 715, 770, 847, 910, 1001, 1210, 1285, 1430, 1573, 1694, 1799, 2002, 2570, 2827, 3146, 3341, 3598, 4235, 5005, 5654, 6682, 7865, 8470, 8995, 10010, 11011, 14135, 15730, 16705, 17990, 19789, 22022, 23387, 28270, 31097, 33410, 36751, 39578, 46774, 55055, 62194, 73502, 98945, 110110, 116935, 155485, 183755, 197890, 217679, 233870, 257257, 310970, 367510, 404261, 435358, 514514, 808522, 1088395, 1286285, 2021305, 2176790, 2572570, 2829827, 4042610, 5659654, 14149135, 28298270]

約数ペア:

[(1, 28298270), (2, 14149135), (5, 5659654), (7, 4042610), (10, 2829827), (11, 2572570), (13, 2176790), (14, 2021305), (22, 1286285), (26, 1088395), (35, 808522), (55, 514514), (65, 435358), (70, 404261), (77, 367510), (91, 310970), (110, 257257), (121, 233870), (130, 217679), (143, 197890), (154, 183755), (182, 155485), (242, 116935), (257, 110110), (286, 98945), (385, 73502), (455, 62194), (514, 55055), (605, 46774), (715, 39578), (770, 36751), (847, 33410), (910, 31097), (1001, 28270), (1210, 23387), (1285, 22022), (1430, 19789), (1573, 17990), (1694, 16705), (1799, 15730), (2002, 14135), (2570, 11011), (2827, 10010), (3146, 8995), (3341, 8470), (3598, 7865), (4235, 6682), (5005, 5654)]