287309412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 835744000

約数和(自身を除く): 548434588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 79, 114, 117, 156, 158, 171, 228, 234, 237, 247, 316, 342, 409, 468, 474, 494, 684, 711, 741, 818, 948, 988, 1027, 1227, 1422, 1482, 1501, 1636, 2054, 2223, 2454, 2844, 2964, 3002, 3081, 3681, 4108, 4446, 4503, 4908, 5317, 6004, 6162, 7362, 7771, 8892, 9006, 9243, 10634, 12324, 13509, 14724, 15542, 15951, 18012, 18486, 19513, 21268, 23313, 27018, 31084, 31902, 32311, 36972, 39026, 46626, 47853, 54036, 58539, 63804, 64622, 69939, 78052, 93252, 95706, 96933, 101023, 117078, 129244, 139878, 175617, 191412, 193866, 202046, 234156, 279756, 290799, 303069, 351234, 387732, 404092, 420043, 581598, 606138, 613909, 702468, 840086, 909207, 1163196, 1212276, 1227818, 1260129, 1680172, 1818414, 1841727, 2455636, 2520258, 3636828, 3683454, 3780387, 5040516, 5525181, 7366908, 7560774, 7980817, 11050362, 15121548, 15961634, 22100724, 23942451, 31923268, 47884902, 71827353, 95769804, 143654706, 287309412]

約数ペア:

[(1, 287309412), (2, 143654706), (3, 95769804), (4, 71827353), (6, 47884902), (9, 31923268), (12, 23942451), (13, 22100724), (18, 15961634), (19, 15121548), (26, 11050362), (36, 7980817), (38, 7560774), (39, 7366908), (52, 5525181), (57, 5040516), (76, 3780387), (78, 3683454), (79, 3636828), (114, 2520258), (117, 2455636), (156, 1841727), (158, 1818414), (171, 1680172), (228, 1260129), (234, 1227818), (237, 1212276), (247, 1163196), (316, 909207), (342, 840086), (409, 702468), (468, 613909), (474, 606138), (494, 581598), (684, 420043), (711, 404092), (741, 387732), (818, 351234), (948, 303069), (988, 290799), (1027, 279756), (1227, 234156), (1422, 202046), (1482, 193866), (1501, 191412), (1636, 175617), (2054, 139878), (2223, 129244), (2454, 117078), (2844, 101023), (2964, 96933), (3002, 95706), (3081, 93252), (3681, 78052), (4108, 69939), (4446, 64622), (4503, 63804), (4908, 58539), (5317, 54036), (6004, 47853), (6162, 46626), (7362, 39026), (7771, 36972), (8892, 32311), (9006, 31902), (9243, 31084), (10634, 27018), (12324, 23313), (13509, 21268), (14724, 19513), (15542, 18486), (15951, 18012)]