91377580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 225160992

約数和(自身を除く): 133783412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 353, 430, 602, 706, 860, 1204, 1412, 1505, 1765, 1849, 2471, 3010, 3530, 3698, 4942, 6020, 7060, 7396, 9245, 9884, 12355, 12943, 15179, 18490, 24710, 25886, 30358, 36980, 49420, 51772, 60716, 64715, 75895, 106253, 129430, 151790, 212506, 258860, 303580, 425012, 531265, 652697, 1062530, 1305394, 2125060, 2610788, 3263485, 4568879, 6526970, 9137758, 13053940, 18275516, 22844395, 45688790, 91377580]

約数ペア:

[(1, 91377580), (2, 45688790), (4, 22844395), (5, 18275516), (7, 13053940), (10, 9137758), (14, 6526970), (20, 4568879), (28, 3263485), (35, 2610788), (43, 2125060), (70, 1305394), (86, 1062530), (140, 652697), (172, 531265), (215, 425012), (301, 303580), (353, 258860), (430, 212506), (602, 151790), (706, 129430), (860, 106253), (1204, 75895), (1412, 64715), (1505, 60716), (1765, 51772), (1849, 49420), (2471, 36980), (3010, 30358), (3530, 25886), (3698, 24710), (4942, 18490), (6020, 15179), (7060, 12943), (7396, 12355), (9245, 9884)]