278364307780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1\times {\mathrm{9319}}^1$

素因数の和:10349

約数の個数: 96

約数和(自身を含む): 635128623360

約数和(自身を除く): 356764315580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 877, 1310, 1703, 1754, 2620, 3406, 3508, 4385, 6812, 8515, 8770, 9319, 11401, 17030, 17540, 18638, 22802, 34060, 37276, 45604, 46595, 57005, 93190, 114010, 114887, 121147, 186380, 228020, 229774, 242294, 459548, 484588, 574435, 605735, 1148870, 1211470, 1220789, 1493531, 2297740, 2422940, 2441578, 2987062, 4883156, 5974124, 6103945, 7467655, 8172763, 12207890, 14935310, 15870257, 16345526, 24415780, 29870620, 31740514, 32691052, 40863815, 63481028, 79351285, 81727630, 106245919, 158702570, 163455260, 212491838, 317405140, 424983676, 531229595, 1062459190, 1070631953, 2124918380, 2141263906, 4282527812, 5353159765, 10706319530, 13918215389, 21412639060, 27836430778, 55672861556, 69591076945, 139182153890, 278364307780]

約数ペア:

[(1, 278364307780), (2, 139182153890), (4, 69591076945), (5, 55672861556), (10, 27836430778), (13, 21412639060), (20, 13918215389), (26, 10706319530), (52, 5353159765), (65, 4282527812), (130, 2141263906), (131, 2124918380), (260, 1070631953), (262, 1062459190), (524, 531229595), (655, 424983676), (877, 317405140), (1310, 212491838), (1703, 163455260), (1754, 158702570), (2620, 106245919), (3406, 81727630), (3508, 79351285), (4385, 63481028), (6812, 40863815), (8515, 32691052), (8770, 31740514), (9319, 29870620), (11401, 24415780), (17030, 16345526), (17540, 15870257), (18638, 14935310), (22802, 12207890), (34060, 8172763), (37276, 7467655), (45604, 6103945), (46595, 5974124), (57005, 4883156), (93190, 2987062), (114010, 2441578), (114887, 2422940), (121147, 2297740), (186380, 1493531), (228020, 1220789), (229774, 1211470), (242294, 1148870), (459548, 605735), (484588, 574435)]