280294742

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^2$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 557330256

約数和(自身を除く): 277035514

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 73, 91, 119, 146, 182, 221, 238, 289, 442, 511, 578, 949, 1022, 1241, 1547, 1898, 2023, 2482, 3094, 3757, 4046, 5329, 6643, 7514, 8687, 10658, 13286, 16133, 17374, 21097, 26299, 32266, 37303, 42194, 52598, 69277, 74606, 90593, 112931, 138554, 147679, 181186, 225862, 274261, 295358, 484939, 548522, 634151, 969878, 1177709, 1268302, 1540081, 1919827, 2355418, 3080162, 3839654, 8243963, 10780567, 16487926, 20021053, 21561134, 40042106, 140147371, 280294742]

約数ペア:

[(1, 280294742), (2, 140147371), (7, 40042106), (13, 21561134), (14, 20021053), (17, 16487926), (26, 10780567), (34, 8243963), (73, 3839654), (91, 3080162), (119, 2355418), (146, 1919827), (182, 1540081), (221, 1268302), (238, 1177709), (289, 969878), (442, 634151), (511, 548522), (578, 484939), (949, 295358), (1022, 274261), (1241, 225862), (1547, 181186), (1898, 147679), (2023, 138554), (2482, 112931), (3094, 90593), (3757, 74606), (4046, 69277), (5329, 52598), (6643, 42194), (7514, 37303), (8687, 32266), (10658, 26299), (13286, 21097), (16133, 17374)]