216722300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 485031456

約数和(自身を除く): 268309156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 103, 106, 206, 212, 265, 397, 412, 515, 530, 794, 1030, 1060, 1325, 1588, 1985, 2060, 2575, 2650, 3970, 5150, 5300, 5459, 7940, 9925, 10300, 10918, 19850, 21041, 21836, 27295, 39700, 40891, 42082, 54590, 81782, 84164, 105205, 109180, 136475, 163564, 204455, 210410, 272950, 408910, 420820, 526025, 545900, 817820, 1022275, 1052050, 2044550, 2104100, 2167223, 4089100, 4334446, 8668892, 10836115, 21672230, 43344460, 54180575, 108361150, 216722300]

約数ペア:

[(1, 216722300), (2, 108361150), (4, 54180575), (5, 43344460), (10, 21672230), (20, 10836115), (25, 8668892), (50, 4334446), (53, 4089100), (100, 2167223), (103, 2104100), (106, 2044550), (206, 1052050), (212, 1022275), (265, 817820), (397, 545900), (412, 526025), (515, 420820), (530, 408910), (794, 272950), (1030, 210410), (1060, 204455), (1325, 163564), (1588, 136475), (1985, 109180), (2060, 105205), (2575, 84164), (2650, 81782), (3970, 54590), (5150, 42082), (5300, 40891), (5459, 39700), (7940, 27295), (9925, 21836), (10300, 21041), (10918, 19850)]