211322860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{14107}}^1$

素因数の和:14230

約数の個数: 48

約数和(自身を含む): 511951104

約数和(自身を除く): 300628244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14107, 14980, 28214, 56428, 70535, 98749, 141070, 197498, 282140, 394996, 493745, 987490, 1509449, 1974980, 3018898, 6037796, 7547245, 10566143, 15094490, 21132286, 30188980, 42264572, 52830715, 105661430, 211322860]

約数ペア:

[(1, 211322860), (2, 105661430), (4, 52830715), (5, 42264572), (7, 30188980), (10, 21132286), (14, 15094490), (20, 10566143), (28, 7547245), (35, 6037796), (70, 3018898), (107, 1974980), (140, 1509449), (214, 987490), (428, 493745), (535, 394996), (749, 282140), (1070, 197498), (1498, 141070), (2140, 98749), (2996, 70535), (3745, 56428), (7490, 28214), (14107, 14980)]