7777398890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1839

約数の個数: 64

約数和(自身を含む): 14639788800

約数和(自身を除く): 6862389910

約数列:

[1, 2, 5, 10, 37, 74, 97, 139, 185, 194, 278, 370, 485, 695, 970, 1390, 1559, 3118, 3589, 5143, 7178, 7795, 10286, 13483, 15590, 17945, 25715, 26966, 35890, 51430, 57683, 67415, 115366, 134830, 151223, 216701, 288415, 302446, 433402, 498871, 576830, 756115, 997742, 1083505, 1512230, 2167010, 2494355, 4988710, 5595251, 8017937, 11190502, 16035874, 21019997, 27976255, 40089685, 42039994, 55952510, 80179370, 105099985, 210199970, 777739889, 1555479778, 3888699445, 7777398890]

約数ペア:

[(1, 7777398890), (2, 3888699445), (5, 1555479778), (10, 777739889), (37, 210199970), (74, 105099985), (97, 80179370), (139, 55952510), (185, 42039994), (194, 40089685), (278, 27976255), (370, 21019997), (485, 16035874), (695, 11190502), (970, 8017937), (1390, 5595251), (1559, 4988710), (3118, 2494355), (3589, 2167010), (5143, 1512230), (7178, 1083505), (7795, 997742), (10286, 756115), (13483, 576830), (15590, 498871), (17945, 433402), (25715, 302446), (26966, 288415), (35890, 216701), (51430, 151223), (57683, 134830), (67415, 115366)]