858302440

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{17431}}^1$

素因数の和:18673

約数の個数: 32

約数和(自身を含む): 1932860160

約数和(自身を除く): 1074557720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 2462, 4924, 6155, 9848, 12310, 17431, 24620, 34862, 49240, 69724, 87155, 139448, 174310, 348620, 697240, 21457561, 42915122, 85830244, 107287805, 171660488, 214575610, 429151220, 858302440]

約数ペア:

[(1, 858302440), (2, 429151220), (4, 214575610), (5, 171660488), (8, 107287805), (10, 85830244), (20, 42915122), (40, 21457561), (1231, 697240), (2462, 348620), (4924, 174310), (6155, 139448), (9848, 87155), (12310, 69724), (17431, 49240), (24620, 34862)]