90331220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4273}}^1$

素因数の和:4440

約数の個数: 48

約数和(自身を含む): 218281728

約数和(自身を除く): 127950508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 4273, 5285, 8546, 10570, 17092, 21140, 21365, 29911, 42730, 59822, 85460, 119644, 149555, 299110, 598220, 645223, 1290446, 2580892, 3226115, 4516561, 6452230, 9033122, 12904460, 18066244, 22582805, 45165610, 90331220]

約数ペア:

[(1, 90331220), (2, 45165610), (4, 22582805), (5, 18066244), (7, 12904460), (10, 9033122), (14, 6452230), (20, 4516561), (28, 3226115), (35, 2580892), (70, 1290446), (140, 645223), (151, 598220), (302, 299110), (604, 149555), (755, 119644), (1057, 85460), (1510, 59822), (2114, 42730), (3020, 29911), (4228, 21365), (4273, 21140), (5285, 17092), (8546, 10570)]