2684920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 7096320

約数和(自身を除く): 4411400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 223, 280, 301, 344, 430, 446, 602, 860, 892, 1115, 1204, 1505, 1561, 1720, 1784, 2230, 2408, 3010, 3122, 4460, 6020, 6244, 7805, 8920, 9589, 12040, 12488, 15610, 19178, 31220, 38356, 47945, 62440, 67123, 76712, 95890, 134246, 191780, 268492, 335615, 383560, 536984, 671230, 1342460, 2684920]

約数ペア:

[(1, 2684920), (2, 1342460), (4, 671230), (5, 536984), (7, 383560), (8, 335615), (10, 268492), (14, 191780), (20, 134246), (28, 95890), (35, 76712), (40, 67123), (43, 62440), (56, 47945), (70, 38356), (86, 31220), (140, 19178), (172, 15610), (215, 12488), (223, 12040), (280, 9589), (301, 8920), (344, 7805), (430, 6244), (446, 6020), (602, 4460), (860, 3122), (892, 3010), (1115, 2408), (1204, 2230), (1505, 1784), (1561, 1720)]