355411340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21751}}^1$

素因数の和:21822

約数の個数: 48

約数和(自身を含む): 803953920

約数和(自身を除く): 448542580

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, 21751, 43502, 87004, 108755, 217510, 413269, 435020, 826538, 935293, 1653076, 1870586, 2066345, 3741172, 4132690, 4676465, 8265380, 9352930, 17770567, 18705860, 35541134, 71082268, 88852835, 177705670, 355411340]

約数ペア:

[(1, 355411340), (2, 177705670), (4, 88852835), (5, 71082268), (10, 35541134), (19, 18705860), (20, 17770567), (38, 9352930), (43, 8265380), (76, 4676465), (86, 4132690), (95, 3741172), (172, 2066345), (190, 1870586), (215, 1653076), (380, 935293), (430, 826538), (817, 435020), (860, 413269), (1634, 217510), (3268, 108755), (4085, 87004), (8170, 43502), (16340, 21751)]