179885020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{14437}}^1$

素因数の和:14542

約数の個数: 48

約数和(自身を含む): 436605120

約数和(自身を除く): 256720100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 14437, 28874, 57748, 72185, 101059, 144370, 202118, 288740, 404236, 505295, 1010590, 1284893, 2021180, 2569786, 5139572, 6424465, 8994251, 12848930, 17988502, 25697860, 35977004, 44971255, 89942510, 179885020]

約数ペア:

[(1, 179885020), (2, 89942510), (4, 44971255), (5, 35977004), (7, 25697860), (10, 17988502), (14, 12848930), (20, 8994251), (28, 6424465), (35, 5139572), (70, 2569786), (89, 2021180), (140, 1284893), (178, 1010590), (356, 505295), (445, 404236), (623, 288740), (890, 202118), (1246, 144370), (1780, 101059), (2492, 72185), (3115, 57748), (6230, 28874), (12460, 14437)]