2890188730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{20011}}^1$

素因数の和:20143

約数の個数: 64

約数和(自身を含む): 6172661376

約数和(自身を除く): 3282472646

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 101, 110, 130, 143, 202, 286, 505, 715, 1010, 1111, 1313, 1430, 2222, 2626, 5555, 6565, 11110, 13130, 14443, 20011, 28886, 40022, 72215, 100055, 144430, 200110, 220121, 260143, 440242, 520286, 1100605, 1300715, 2021111, 2201210, 2601430, 2861573, 4042222, 5723146, 10105555, 14307865, 20211110, 22232221, 26274443, 28615730, 44464442, 52548886, 111161105, 131372215, 222322210, 262744430, 289018873, 578037746, 1445094365, 2890188730]

約数ペア:

[(1, 2890188730), (2, 1445094365), (5, 578037746), (10, 289018873), (11, 262744430), (13, 222322210), (22, 131372215), (26, 111161105), (55, 52548886), (65, 44464442), (101, 28615730), (110, 26274443), (130, 22232221), (143, 20211110), (202, 14307865), (286, 10105555), (505, 5723146), (715, 4042222), (1010, 2861573), (1111, 2601430), (1313, 2201210), (1430, 2021111), (2222, 1300715), (2626, 1100605), (5555, 520286), (6565, 440242), (11110, 260143), (13130, 220121), (14443, 200110), (20011, 144430), (28886, 100055), (40022, 72215)]