1286117780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1\times {\mathrm{1361}}^1$

素因数の和:2684

約数の個数: 48

約数和(自身を含む): 2778055056

約数和(自身を除く): 1491937276

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1277, 1361, 2554, 2722, 5108, 5444, 6385, 6805, 12770, 13610, 25540, 27220, 47249, 50357, 94498, 100714, 188996, 201428, 236245, 251785, 472490, 503570, 944980, 1007140, 1737997, 3475994, 6951988, 8689985, 17379970, 34759940, 64305889, 128611778, 257223556, 321529445, 643058890, 1286117780]

約数ペア:

[(1, 1286117780), (2, 643058890), (4, 321529445), (5, 257223556), (10, 128611778), (20, 64305889), (37, 34759940), (74, 17379970), (148, 8689985), (185, 6951988), (370, 3475994), (740, 1737997), (1277, 1007140), (1361, 944980), (2554, 503570), (2722, 472490), (5108, 251785), (5444, 236245), (6385, 201428), (6805, 188996), (12770, 100714), (13610, 94498), (25540, 50357), (27220, 47249)]