2221691210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{69493}}^1$

素因数の和:69662

約数の個数: 32

約数和(自身を含む): 4202997120

約数和(自身を除く): 1981305910

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 15985, 31970, 69493, 138986, 347465, 694930, 1598339, 3196678, 7991695, 9659527, 15983390, 19319054, 48297635, 96595270, 222169121, 444338242, 1110845605, 2221691210]

約数ペア:

[(1, 2221691210), (2, 1110845605), (5, 444338242), (10, 222169121), (23, 96595270), (46, 48297635), (115, 19319054), (139, 15983390), (230, 9659527), (278, 7991695), (695, 3196678), (1390, 1598339), (3197, 694930), (6394, 347465), (15985, 138986), (31970, 69493)]