890677720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{7927}}^1$

素因数の和:8044

約数の個数: 48

約数和(自身を含む): 2042807760

約数和(自身を除く): 1152130040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 2809, 5618, 7927, 11236, 14045, 15854, 22472, 28090, 31708, 39635, 56180, 63416, 79270, 112360, 158540, 317080, 420131, 840262, 1680524, 2100655, 3361048, 4201310, 8402620, 16805240, 22266943, 44533886, 89067772, 111334715, 178135544, 222669430, 445338860, 890677720]

約数ペア:

[(1, 890677720), (2, 445338860), (4, 222669430), (5, 178135544), (8, 111334715), (10, 89067772), (20, 44533886), (40, 22266943), (53, 16805240), (106, 8402620), (212, 4201310), (265, 3361048), (424, 2100655), (530, 1680524), (1060, 840262), (2120, 420131), (2809, 317080), (5618, 158540), (7927, 112360), (11236, 79270), (14045, 63416), (15854, 56180), (22472, 39635), (28090, 31708)]