56820890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 120990024

約数和(自身を除く): 64169134

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 1901, 2135, 2989, 3802, 4270, 5978, 9505, 13307, 14945, 19010, 26614, 29890, 66535, 93149, 115961, 133070, 186298, 231922, 465745, 579805, 811727, 931490, 1159610, 1623454, 4058635, 5682089, 8117270, 11364178, 28410445, 56820890]

約数ペア:

[(1, 56820890), (2, 28410445), (5, 11364178), (7, 8117270), (10, 5682089), (14, 4058635), (35, 1623454), (49, 1159610), (61, 931490), (70, 811727), (98, 579805), (122, 465745), (245, 231922), (305, 186298), (427, 133070), (490, 115961), (610, 93149), (854, 66535), (1901, 29890), (2135, 26614), (2989, 19010), (3802, 14945), (4270, 13307), (5978, 9505)]