339655840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^2$

素因数の和:171

約数の個数: 108

約数和(自身を含む): 847173978

約数和(自身を除く): 507518138

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 80, 94, 124, 155, 160, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 961, 992, 1240, 1457, 1504, 1880, 1922, 2209, 2480, 2914, 3760, 3844, 4418, 4805, 4960, 5828, 7285, 7520, 7688, 8836, 9610, 11045, 11656, 14570, 15376, 17672, 19220, 22090, 23312, 29140, 30752, 35344, 38440, 44180, 45167, 46624, 58280, 68479, 70688, 76880, 88360, 90334, 116560, 136958, 153760, 176720, 180668, 225835, 233120, 273916, 342395, 353440, 361336, 451670, 547832, 684790, 722672, 903340, 1095664, 1369580, 1445344, 1806680, 2122849, 2191328, 2739160, 3613360, 4245698, 5478320, 7226720, 8491396, 10614245, 10956640, 16982792, 21228490, 33965584, 42456980, 67931168, 84913960, 169827920, 339655840]

約数ペア:

[(1, 339655840), (2, 169827920), (4, 84913960), (5, 67931168), (8, 42456980), (10, 33965584), (16, 21228490), (20, 16982792), (31, 10956640), (32, 10614245), (40, 8491396), (47, 7226720), (62, 5478320), (80, 4245698), (94, 3613360), (124, 2739160), (155, 2191328), (160, 2122849), (188, 1806680), (235, 1445344), (248, 1369580), (310, 1095664), (376, 903340), (470, 722672), (496, 684790), (620, 547832), (752, 451670), (940, 361336), (961, 353440), (992, 342395), (1240, 273916), (1457, 233120), (1504, 225835), (1880, 180668), (1922, 176720), (2209, 153760), (2480, 136958), (2914, 116560), (3760, 90334), (3844, 88360), (4418, 76880), (4805, 70688), (4960, 68479), (5828, 58280), (7285, 46624), (7520, 45167), (7688, 44180), (8836, 38440), (9610, 35344), (11045, 30752), (11656, 29140), (14570, 23312), (15376, 22090), (17672, 19220)]