280808528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 160

約数和(自身を含む): 742452480

約数和(自身を除く): 461643952

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 89, 91, 104, 112, 143, 154, 176, 178, 182, 197, 208, 286, 308, 356, 364, 394, 572, 616, 623, 712, 728, 788, 979, 1001, 1144, 1157, 1232, 1246, 1379, 1424, 1456, 1576, 1958, 2002, 2167, 2288, 2314, 2492, 2561, 2758, 3152, 3916, 4004, 4334, 4628, 4984, 5122, 5516, 6853, 7832, 8008, 8099, 8668, 9256, 9968, 10244, 11032, 12727, 13706, 15169, 15664, 16016, 16198, 17336, 17533, 17927, 18512, 20488, 22064, 25454, 27412, 28171, 30338, 32396, 34672, 35066, 35854, 40976, 50908, 54824, 56342, 60676, 64792, 70132, 71708, 89089, 101816, 109648, 112684, 121352, 122731, 129584, 140264, 143416, 178178, 192863, 197197, 203632, 225368, 227929, 242704, 245462, 280528, 286832, 356356, 385726, 394394, 450736, 455858, 490924, 712712, 771452, 788788, 911716, 981848, 1350041, 1425424, 1542904, 1577576, 1595503, 1823432, 1963696, 2507219, 2700082, 3085808, 3155152, 3191006, 3646864, 5014438, 5400164, 6382012, 10028876, 10800328, 12764024, 17550533, 20057752, 21600656, 25528048, 35101066, 40115504, 70202132, 140404264, 280808528]

約数ペア:

[(1, 280808528), (2, 140404264), (4, 70202132), (7, 40115504), (8, 35101066), (11, 25528048), (13, 21600656), (14, 20057752), (16, 17550533), (22, 12764024), (26, 10800328), (28, 10028876), (44, 6382012), (52, 5400164), (56, 5014438), (77, 3646864), (88, 3191006), (89, 3155152), (91, 3085808), (104, 2700082), (112, 2507219), (143, 1963696), (154, 1823432), (176, 1595503), (178, 1577576), (182, 1542904), (197, 1425424), (208, 1350041), (286, 981848), (308, 911716), (356, 788788), (364, 771452), (394, 712712), (572, 490924), (616, 455858), (623, 450736), (712, 394394), (728, 385726), (788, 356356), (979, 286832), (1001, 280528), (1144, 245462), (1157, 242704), (1232, 227929), (1246, 225368), (1379, 203632), (1424, 197197), (1456, 192863), (1576, 178178), (1958, 143416), (2002, 140264), (2167, 129584), (2288, 122731), (2314, 121352), (2492, 112684), (2561, 109648), (2758, 101816), (3152, 89089), (3916, 71708), (4004, 70132), (4334, 64792), (4628, 60676), (4984, 56342), (5122, 54824), (5516, 50908), (6853, 40976), (7832, 35854), (8008, 35066), (8099, 34672), (8668, 32396), (9256, 30338), (9968, 28171), (10244, 27412), (11032, 25454), (12727, 22064), (13706, 20488), (15169, 18512), (15664, 17927), (16016, 17533), (16198, 17336)]