220111210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{2113}}^1$

素因数の和:3078

約数の個数: 32

約数和(自身を含む): 432879552

約数和(自身を除く): 212768342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 947, 1894, 2113, 4226, 4735, 9470, 10417, 10565, 20834, 21130, 23243, 46486, 52085, 104170, 116215, 232430, 2001011, 4002022, 10005055, 20010110, 22011121, 44022242, 110055605, 220111210]

約数ペア:

[(1, 220111210), (2, 110055605), (5, 44022242), (10, 22011121), (11, 20010110), (22, 10005055), (55, 4002022), (110, 2001011), (947, 232430), (1894, 116215), (2113, 104170), (4226, 52085), (4735, 46486), (9470, 23243), (10417, 21130), (10565, 20834)]