209920464

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37379}}^1$

素因数の和:37409

約数の個数: 80

約数和(自身を含む): 648916800

約数和(自身を除く): 438996336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 5616, 37379, 74758, 112137, 149516, 224274, 299032, 336411, 448548, 485927, 598064, 672822, 897096, 971854, 1009233, 1345644, 1457781, 1794192, 1943708, 2018466, 2691288, 2915562, 3887416, 4036932, 4373343, 5382576, 5831124, 7774832, 8073864, 8746686, 11662248, 13120029, 16147728, 17493372, 23324496, 26240058, 34986744, 52480116, 69973488, 104960232, 209920464]

約数ペア:

[(1, 209920464), (2, 104960232), (3, 69973488), (4, 52480116), (6, 34986744), (8, 26240058), (9, 23324496), (12, 17493372), (13, 16147728), (16, 13120029), (18, 11662248), (24, 8746686), (26, 8073864), (27, 7774832), (36, 5831124), (39, 5382576), (48, 4373343), (52, 4036932), (54, 3887416), (72, 2915562), (78, 2691288), (104, 2018466), (108, 1943708), (117, 1794192), (144, 1457781), (156, 1345644), (208, 1009233), (216, 971854), (234, 897096), (312, 672822), (351, 598064), (432, 485927), (468, 448548), (624, 336411), (702, 299032), (936, 224274), (1404, 149516), (1872, 112137), (2808, 74758), (5616, 37379)]