415803980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{25447}}^1$

素因数の和:25518

約数の個数: 48

約数和(自身を含む): 940558080

約数和(自身を除く): 524754100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 25447, 50894, 101788, 127235, 254470, 483493, 508940, 966986, 1094221, 1933972, 2188442, 2417465, 4376884, 4834930, 5471105, 9669860, 10942210, 20790199, 21884420, 41580398, 83160796, 103950995, 207901990, 415803980]

約数ペア:

[(1, 415803980), (2, 207901990), (4, 103950995), (5, 83160796), (10, 41580398), (19, 21884420), (20, 20790199), (38, 10942210), (43, 9669860), (76, 5471105), (86, 4834930), (95, 4376884), (172, 2417465), (190, 2188442), (215, 1933972), (380, 1094221), (430, 966986), (817, 508940), (860, 483493), (1634, 254470), (3268, 127235), (4085, 101788), (8170, 50894), (16340, 25447)]