278160272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 604961280

約数和(自身を除く): 326801008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 179, 208, 241, 248, 358, 403, 482, 496, 716, 806, 964, 1432, 1612, 1928, 2327, 2864, 3133, 3224, 3856, 4654, 5549, 6266, 6448, 7471, 9308, 11098, 12532, 14942, 18616, 22196, 25064, 29884, 37232, 43139, 44392, 50128, 59768, 72137, 86278, 88784, 97123, 119536, 144274, 172556, 194246, 288548, 345112, 388492, 560807, 577096, 690224, 776984, 1121614, 1154192, 1337309, 1553968, 2243228, 2674618, 4486456, 5349236, 8972912, 10698472, 17385017, 21396944, 34770034, 69540068, 139080136, 278160272]

約数ペア:

[(1, 278160272), (2, 139080136), (4, 69540068), (8, 34770034), (13, 21396944), (16, 17385017), (26, 10698472), (31, 8972912), (52, 5349236), (62, 4486456), (104, 2674618), (124, 2243228), (179, 1553968), (208, 1337309), (241, 1154192), (248, 1121614), (358, 776984), (403, 690224), (482, 577096), (496, 560807), (716, 388492), (806, 345112), (964, 288548), (1432, 194246), (1612, 172556), (1928, 144274), (2327, 119536), (2864, 97123), (3133, 88784), (3224, 86278), (3856, 72137), (4654, 59768), (5549, 50128), (6266, 44392), (6448, 43139), (7471, 37232), (9308, 29884), (11098, 25064), (12532, 22196), (14942, 18616)]