278768140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{46307}}^1$

素因数の和:46366

約数の個数: 48

約数和(自身を含む): 684617472

約数和(自身を除く): 405849332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 46307, 92614, 185228, 231535, 324149, 463070, 648298, 926140, 1296596, 1620745, 1991201, 3241490, 3982402, 6482980, 7964804, 9956005, 13938407, 19912010, 27876814, 39824020, 55753628, 69692035, 139384070, 278768140]

約数ペア:

[(1, 278768140), (2, 139384070), (4, 69692035), (5, 55753628), (7, 39824020), (10, 27876814), (14, 19912010), (20, 13938407), (28, 9956005), (35, 7964804), (43, 6482980), (70, 3982402), (86, 3241490), (140, 1991201), (172, 1620745), (215, 1296596), (301, 926140), (430, 648298), (602, 463070), (860, 324149), (1204, 231535), (1505, 185228), (3010, 92614), (6020, 46307)]