278314036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 675682560

約数和(自身を除く): 397368524

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 71, 77, 89, 91, 121, 142, 143, 154, 178, 182, 242, 284, 286, 308, 356, 364, 484, 497, 572, 623, 781, 847, 923, 979, 994, 1001, 1157, 1246, 1562, 1573, 1694, 1846, 1958, 1988, 2002, 2314, 2492, 3124, 3146, 3388, 3692, 3916, 4004, 4628, 5467, 6292, 6319, 6461, 6853, 8099, 8591, 10153, 10769, 10934, 11011, 12638, 12727, 12922, 13706, 16198, 17182, 20306, 21538, 21868, 22022, 25276, 25454, 25844, 27412, 32396, 34364, 40612, 43076, 44044, 44233, 50908, 60137, 69509, 71071, 75383, 82147, 88466, 89089, 111683, 120274, 139018, 139997, 142142, 150766, 164294, 176932, 178178, 223366, 240548, 278036, 279994, 284284, 301532, 328588, 356356, 446732, 486563, 559988, 575029, 764599, 781781, 903617, 973126, 979979, 1150058, 1529198, 1563562, 1807234, 1946252, 1959958, 2300116, 3058396, 3127124, 3614468, 3919916, 5352193, 6325319, 9939787, 10704386, 12650638, 19879574, 21408772, 25301276, 39759148, 69578509, 139157018, 278314036]

約数ペア:

[(1, 278314036), (2, 139157018), (4, 69578509), (7, 39759148), (11, 25301276), (13, 21408772), (14, 19879574), (22, 12650638), (26, 10704386), (28, 9939787), (44, 6325319), (52, 5352193), (71, 3919916), (77, 3614468), (89, 3127124), (91, 3058396), (121, 2300116), (142, 1959958), (143, 1946252), (154, 1807234), (178, 1563562), (182, 1529198), (242, 1150058), (284, 979979), (286, 973126), (308, 903617), (356, 781781), (364, 764599), (484, 575029), (497, 559988), (572, 486563), (623, 446732), (781, 356356), (847, 328588), (923, 301532), (979, 284284), (994, 279994), (1001, 278036), (1157, 240548), (1246, 223366), (1562, 178178), (1573, 176932), (1694, 164294), (1846, 150766), (1958, 142142), (1988, 139997), (2002, 139018), (2314, 120274), (2492, 111683), (3124, 89089), (3146, 88466), (3388, 82147), (3692, 75383), (3916, 71071), (4004, 69509), (4628, 60137), (5467, 50908), (6292, 44233), (6319, 44044), (6461, 43076), (6853, 40612), (8099, 34364), (8591, 32396), (10153, 27412), (10769, 25844), (10934, 25454), (11011, 25276), (12638, 22022), (12727, 21868), (12922, 21538), (13706, 20306), (16198, 17182)]