278345136

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1277}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 760665600

約数和(自身を除く): 482320464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 239, 304, 456, 478, 717, 912, 956, 1277, 1434, 1912, 2554, 2868, 3824, 3831, 4541, 5108, 5736, 7662, 9082, 10216, 11472, 13623, 15324, 18164, 20432, 24263, 27246, 30648, 36328, 48526, 54492, 61296, 72656, 72789, 97052, 108984, 145578, 194104, 217968, 291156, 305203, 388208, 582312, 610406, 915609, 1164624, 1220812, 1831218, 2441624, 3662436, 4883248, 5798857, 7324872, 11597714, 14649744, 17396571, 23195428, 34793142, 46390856, 69586284, 92781712, 139172568, 278345136]

約数ペア:

[(1, 278345136), (2, 139172568), (3, 92781712), (4, 69586284), (6, 46390856), (8, 34793142), (12, 23195428), (16, 17396571), (19, 14649744), (24, 11597714), (38, 7324872), (48, 5798857), (57, 4883248), (76, 3662436), (114, 2441624), (152, 1831218), (228, 1220812), (239, 1164624), (304, 915609), (456, 610406), (478, 582312), (717, 388208), (912, 305203), (956, 291156), (1277, 217968), (1434, 194104), (1912, 145578), (2554, 108984), (2868, 97052), (3824, 72789), (3831, 72656), (4541, 61296), (5108, 54492), (5736, 48526), (7662, 36328), (9082, 30648), (10216, 27246), (11472, 24263), (13623, 20432), (15324, 18164)]