181533380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12589}}^1$

素因数の和:12708

約数の個数: 48

約数和(自身を含む): 439944960

約数和(自身を除く): 258411580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 12589, 14420, 25178, 50356, 62945, 88123, 125890, 176246, 251780, 352492, 440615, 881230, 1296667, 1762460, 2593334, 5186668, 6483335, 9076669, 12966670, 18153338, 25933340, 36306676, 45383345, 90766690, 181533380]

約数ペア:

[(1, 181533380), (2, 90766690), (4, 45383345), (5, 36306676), (7, 25933340), (10, 18153338), (14, 12966670), (20, 9076669), (28, 6483335), (35, 5186668), (70, 2593334), (103, 1762460), (140, 1296667), (206, 881230), (412, 440615), (515, 352492), (721, 251780), (1030, 176246), (1442, 125890), (2060, 88123), (2884, 62945), (3605, 50356), (7210, 25178), (12589, 14420)]