399060340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{39047}}^1$

素因数の和:39136

約数の個数: 48

約数和(自身を含む): 970889472

約数和(自身を除く): 571829132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 39047, 78094, 156188, 195235, 273329, 390470, 546658, 780940, 1093316, 1366645, 2733290, 2850431, 5466580, 5700862, 11401724, 14252155, 19953017, 28504310, 39906034, 57008620, 79812068, 99765085, 199530170, 399060340]

約数ペア:

[(1, 399060340), (2, 199530170), (4, 99765085), (5, 79812068), (7, 57008620), (10, 39906034), (14, 28504310), (20, 19953017), (28, 14252155), (35, 11401724), (70, 5700862), (73, 5466580), (140, 2850431), (146, 2733290), (292, 1366645), (365, 1093316), (511, 780940), (730, 546658), (1022, 390470), (1460, 273329), (2044, 195235), (2555, 156188), (5110, 78094), (10220, 39047)]