181320440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5099}}^1$

素因数の和:5244

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 288695560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 5099, 7112, 8890, 10198, 17780, 20396, 25495, 35560, 35693, 40792, 50990, 71386, 101980, 142772, 178465, 203960, 285544, 356930, 647573, 713860, 1295146, 1427720, 2590292, 3237865, 4533011, 5180584, 6475730, 9066022, 12951460, 18132044, 22665055, 25902920, 36264088, 45330110, 90660220, 181320440]

約数ペア:

[(1, 181320440), (2, 90660220), (4, 45330110), (5, 36264088), (7, 25902920), (8, 22665055), (10, 18132044), (14, 12951460), (20, 9066022), (28, 6475730), (35, 5180584), (40, 4533011), (56, 3237865), (70, 2590292), (127, 1427720), (140, 1295146), (254, 713860), (280, 647573), (508, 356930), (635, 285544), (889, 203960), (1016, 178465), (1270, 142772), (1778, 101980), (2540, 71386), (3556, 50990), (4445, 40792), (5080, 35693), (5099, 35560), (7112, 25495), (8890, 20396), (10198, 17780)]