444079980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17749}}^1$

素因数の和:17903

約数の個数: 72

約数和(自身を含む): 1356810000

約数和(自身を除く): 912730020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 17749, 25020, 35498, 53247, 70996, 88745, 106494, 159741, 177490, 212988, 266235, 319482, 354980, 532470, 638964, 798705, 1064940, 1597410, 2467111, 3194820, 4934222, 7401333, 9868444, 12335555, 14802666, 22203999, 24671110, 29605332, 37006665, 44407998, 49342220, 74013330, 88815996, 111019995, 148026660, 222039990, 444079980]

約数ペア:

[(1, 444079980), (2, 222039990), (3, 148026660), (4, 111019995), (5, 88815996), (6, 74013330), (9, 49342220), (10, 44407998), (12, 37006665), (15, 29605332), (18, 24671110), (20, 22203999), (30, 14802666), (36, 12335555), (45, 9868444), (60, 7401333), (90, 4934222), (139, 3194820), (180, 2467111), (278, 1597410), (417, 1064940), (556, 798705), (695, 638964), (834, 532470), (1251, 354980), (1390, 319482), (1668, 266235), (2085, 212988), (2502, 177490), (2780, 159741), (4170, 106494), (5004, 88745), (6255, 70996), (8340, 53247), (12510, 35498), (17749, 25020)]