54238660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1621}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 130798080

約数和(自身を除く): 76559420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1621, 1673, 2390, 3242, 3346, 4780, 6484, 6692, 8105, 8365, 11347, 16210, 16730, 22694, 32420, 33460, 45388, 56735, 113470, 226940, 387419, 774838, 1549676, 1937095, 2711933, 3874190, 5423866, 7748380, 10847732, 13559665, 27119330, 54238660]

約数ペア:

[(1, 54238660), (2, 27119330), (4, 13559665), (5, 10847732), (7, 7748380), (10, 5423866), (14, 3874190), (20, 2711933), (28, 1937095), (35, 1549676), (70, 774838), (140, 387419), (239, 226940), (478, 113470), (956, 56735), (1195, 45388), (1621, 33460), (1673, 32420), (2390, 22694), (3242, 16730), (3346, 16210), (4780, 11347), (6484, 8365), (6692, 8105)]