87698660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2621}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 211438080

約数和(自身を除く): 123739420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2621, 3346, 4780, 5242, 6692, 8365, 10484, 13105, 16730, 18347, 26210, 33460, 36694, 52420, 73388, 91735, 183470, 366940, 626419, 1252838, 2505676, 3132095, 4384933, 6264190, 8769866, 12528380, 17539732, 21924665, 43849330, 87698660]

約数ペア:

[(1, 87698660), (2, 43849330), (4, 21924665), (5, 17539732), (7, 12528380), (10, 8769866), (14, 6264190), (20, 4384933), (28, 3132095), (35, 2505676), (70, 1252838), (140, 626419), (239, 366940), (478, 183470), (956, 91735), (1195, 73388), (1673, 52420), (2390, 36694), (2621, 33460), (3346, 26210), (4780, 18347), (5242, 16730), (6692, 13105), (8365, 10484)]