129776920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 363968640

約数和(自身を除く): 234191720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 101, 104, 130, 140, 182, 202, 260, 280, 353, 364, 404, 455, 505, 520, 706, 707, 728, 808, 910, 1010, 1313, 1412, 1414, 1765, 1820, 2020, 2471, 2626, 2824, 2828, 3530, 3535, 3640, 4040, 4589, 4942, 5252, 5656, 6565, 7060, 7070, 9178, 9191, 9884, 10504, 12355, 13130, 14120, 14140, 18356, 18382, 19768, 22945, 24710, 26260, 28280, 32123, 35653, 36712, 36764, 45890, 45955, 49420, 52520, 64246, 71306, 73528, 91780, 91910, 98840, 128492, 142612, 160615, 178265, 183560, 183820, 249571, 256984, 285224, 321230, 356530, 367640, 463489, 499142, 642460, 713060, 926978, 998284, 1247855, 1284920, 1426120, 1853956, 1996568, 2317445, 2495710, 3244423, 3707912, 4634890, 4991420, 6488846, 9269780, 9982840, 12977692, 16222115, 18539560, 25955384, 32444230, 64888460, 129776920]

約数ペア:

[(1, 129776920), (2, 64888460), (4, 32444230), (5, 25955384), (7, 18539560), (8, 16222115), (10, 12977692), (13, 9982840), (14, 9269780), (20, 6488846), (26, 4991420), (28, 4634890), (35, 3707912), (40, 3244423), (52, 2495710), (56, 2317445), (65, 1996568), (70, 1853956), (91, 1426120), (101, 1284920), (104, 1247855), (130, 998284), (140, 926978), (182, 713060), (202, 642460), (260, 499142), (280, 463489), (353, 367640), (364, 356530), (404, 321230), (455, 285224), (505, 256984), (520, 249571), (706, 183820), (707, 183560), (728, 178265), (808, 160615), (910, 142612), (1010, 128492), (1313, 98840), (1412, 91910), (1414, 91780), (1765, 73528), (1820, 71306), (2020, 64246), (2471, 52520), (2626, 49420), (2824, 45955), (2828, 45890), (3530, 36764), (3535, 36712), (3640, 35653), (4040, 32123), (4589, 28280), (4942, 26260), (5252, 24710), (5656, 22945), (6565, 19768), (7060, 18382), (7070, 18356), (9178, 14140), (9191, 14120), (9884, 13130), (10504, 12355)]