280339956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3967}}^1$

素因数の和:4141

約数の個数: 72

約数和(自身を含む): 768395264

約数和(自身を除く): 488055308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 604, 906, 1359, 1812, 1963, 2718, 3926, 3967, 5436, 5889, 7852, 7934, 11778, 11901, 15868, 17667, 23556, 23802, 35334, 35703, 47604, 51571, 70668, 71406, 103142, 142812, 154713, 206284, 309426, 464139, 599017, 618852, 928278, 1198034, 1797051, 1856556, 2396068, 3594102, 5391153, 7188204, 7787221, 10782306, 15574442, 21564612, 23361663, 31148884, 46723326, 70084989, 93446652, 140169978, 280339956]

約数ペア:

[(1, 280339956), (2, 140169978), (3, 93446652), (4, 70084989), (6, 46723326), (9, 31148884), (12, 23361663), (13, 21564612), (18, 15574442), (26, 10782306), (36, 7787221), (39, 7188204), (52, 5391153), (78, 3594102), (117, 2396068), (151, 1856556), (156, 1797051), (234, 1198034), (302, 928278), (453, 618852), (468, 599017), (604, 464139), (906, 309426), (1359, 206284), (1812, 154713), (1963, 142812), (2718, 103142), (3926, 71406), (3967, 70668), (5436, 51571), (5889, 47604), (7852, 35703), (7934, 35334), (11778, 23802), (11901, 23556), (15868, 17667)]