2064860

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 60

約数和(自身を含む): 5176248

約数和(自身を除く): 3111388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 343, 430, 490, 602, 686, 860, 980, 1204, 1372, 1505, 1715, 2107, 2401, 3010, 3430, 4214, 4802, 6020, 6860, 8428, 9604, 10535, 12005, 14749, 21070, 24010, 29498, 42140, 48020, 58996, 73745, 103243, 147490, 206486, 294980, 412972, 516215, 1032430, 2064860]

約数ペア:

[(1, 2064860), (2, 1032430), (4, 516215), (5, 412972), (7, 294980), (10, 206486), (14, 147490), (20, 103243), (28, 73745), (35, 58996), (43, 48020), (49, 42140), (70, 29498), (86, 24010), (98, 21070), (140, 14749), (172, 12005), (196, 10535), (215, 9604), (245, 8428), (301, 6860), (343, 6020), (430, 4802), (490, 4214), (602, 3430), (686, 3010), (860, 2401), (980, 2107), (1204, 1715), (1372, 1505)]