720295088

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{1747}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 1419508848

約数和(自身を除く): 699213760

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 353, 584, 706, 1168, 1412, 1747, 2824, 3494, 5648, 6988, 13976, 25769, 27952, 51538, 103076, 127531, 206152, 255062, 412304, 510124, 616691, 1020248, 1233382, 2040496, 2466764, 4933528, 9867056, 45018443, 90036886, 180073772, 360147544, 720295088]

約数ペア:

[(1, 720295088), (2, 360147544), (4, 180073772), (8, 90036886), (16, 45018443), (73, 9867056), (146, 4933528), (292, 2466764), (353, 2040496), (584, 1233382), (706, 1020248), (1168, 616691), (1412, 510124), (1747, 412304), (2824, 255062), (3494, 206152), (5648, 127531), (6988, 103076), (13976, 51538), (25769, 27952)]