260642704

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 594604800

約数和(自身を除く): 333962096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 73, 112, 142, 146, 284, 292, 449, 497, 511, 568, 584, 898, 994, 1022, 1136, 1168, 1796, 1988, 2044, 3143, 3592, 3976, 4088, 5183, 6286, 7184, 7952, 8176, 10366, 12572, 20732, 25144, 31879, 32777, 36281, 41464, 50288, 63758, 65554, 72562, 82928, 127516, 131108, 145124, 223153, 229439, 255032, 262216, 290248, 446306, 458878, 510064, 524432, 580496, 892612, 917756, 1785224, 1835512, 2327167, 3570448, 3671024, 4654334, 9308668, 16290169, 18617336, 32580338, 37234672, 65160676, 130321352, 260642704]

約数ペア:

[(1, 260642704), (2, 130321352), (4, 65160676), (7, 37234672), (8, 32580338), (14, 18617336), (16, 16290169), (28, 9308668), (56, 4654334), (71, 3671024), (73, 3570448), (112, 2327167), (142, 1835512), (146, 1785224), (284, 917756), (292, 892612), (449, 580496), (497, 524432), (511, 510064), (568, 458878), (584, 446306), (898, 290248), (994, 262216), (1022, 255032), (1136, 229439), (1168, 223153), (1796, 145124), (1988, 131108), (2044, 127516), (3143, 82928), (3592, 72562), (3976, 65554), (4088, 63758), (5183, 50288), (6286, 41464), (7184, 36281), (7952, 32777), (8176, 31879), (10366, 25144), (12572, 20732)]