280895264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 625895424

約数和(自身を除く): 345000160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 43, 52, 82, 86, 104, 164, 172, 208, 328, 344, 383, 416, 533, 559, 656, 688, 766, 1066, 1118, 1312, 1376, 1532, 1763, 2132, 2236, 3064, 3526, 4264, 4472, 4979, 6128, 7052, 8528, 8944, 9958, 12256, 14104, 15703, 16469, 17056, 17888, 19916, 22919, 28208, 31406, 32938, 39832, 45838, 56416, 62812, 65876, 79664, 91676, 125624, 131752, 159328, 183352, 204139, 214097, 251248, 263504, 366704, 408278, 428194, 502496, 527008, 675229, 733408, 816556, 856388, 1350458, 1633112, 1712776, 2700916, 3266224, 3425552, 5401832, 6532448, 6851104, 8777977, 10803664, 17555954, 21607328, 35111908, 70223816, 140447632, 280895264]

約数ペア:

[(1, 280895264), (2, 140447632), (4, 70223816), (8, 35111908), (13, 21607328), (16, 17555954), (26, 10803664), (32, 8777977), (41, 6851104), (43, 6532448), (52, 5401832), (82, 3425552), (86, 3266224), (104, 2700916), (164, 1712776), (172, 1633112), (208, 1350458), (328, 856388), (344, 816556), (383, 733408), (416, 675229), (533, 527008), (559, 502496), (656, 428194), (688, 408278), (766, 366704), (1066, 263504), (1118, 251248), (1312, 214097), (1376, 204139), (1532, 183352), (1763, 159328), (2132, 131752), (2236, 125624), (3064, 91676), (3526, 79664), (4264, 65876), (4472, 62812), (4979, 56416), (6128, 45838), (7052, 39832), (8528, 32938), (8944, 31406), (9958, 28208), (12256, 22919), (14104, 19916), (15703, 17888), (16469, 17056)]