213454710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{112939}}^1$

素因数の和:112962

約数の個数: 64

約数和(自身を含む): 650534400

約数和(自身を除く): 437079690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 112939, 225878, 338817, 564695, 677634, 790573, 1016451, 1129390, 1581146, 1694085, 2032902, 2371719, 3049353, 3388170, 3952865, 4743438, 5082255, 6098706, 7115157, 7905730, 10164510, 11858595, 14230314, 15246765, 21345471, 23717190, 30493530, 35575785, 42690942, 71151570, 106727355, 213454710]

約数ペア:

[(1, 213454710), (2, 106727355), (3, 71151570), (5, 42690942), (6, 35575785), (7, 30493530), (9, 23717190), (10, 21345471), (14, 15246765), (15, 14230314), (18, 11858595), (21, 10164510), (27, 7905730), (30, 7115157), (35, 6098706), (42, 5082255), (45, 4743438), (54, 3952865), (63, 3388170), (70, 3049353), (90, 2371719), (105, 2032902), (126, 1694085), (135, 1581146), (189, 1129390), (210, 1016451), (270, 790573), (315, 677634), (378, 564695), (630, 338817), (945, 225878), (1890, 112939)]