7121140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 16405200

約数和(自身を除く): 9284060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 449, 610, 793, 898, 1220, 1586, 1796, 2245, 3172, 3965, 4490, 5837, 7930, 8980, 11674, 15860, 23348, 27389, 29185, 54778, 58370, 109556, 116740, 136945, 273890, 356057, 547780, 712114, 1424228, 1780285, 3560570, 7121140]

約数ペア:

[(1, 7121140), (2, 3560570), (4, 1780285), (5, 1424228), (10, 712114), (13, 547780), (20, 356057), (26, 273890), (52, 136945), (61, 116740), (65, 109556), (122, 58370), (130, 54778), (244, 29185), (260, 27389), (305, 23348), (449, 15860), (610, 11674), (793, 8980), (898, 7930), (1220, 5837), (1586, 4490), (1796, 3965), (2245, 3172)]