207955540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21617}}^1$

素因数の和:21676

約数の個数: 48

約数和(自身を含む): 483032592

約数和(自身を除く): 275077052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 21617, 43234, 86468, 108085, 216170, 281021, 432340, 562042, 799829, 1124084, 1405105, 1599658, 2810210, 3199316, 3999145, 5620420, 7998290, 10397777, 15996580, 20795554, 41591108, 51988885, 103977770, 207955540]

約数ペア:

[(1, 207955540), (2, 103977770), (4, 51988885), (5, 41591108), (10, 20795554), (13, 15996580), (20, 10397777), (26, 7998290), (37, 5620420), (52, 3999145), (65, 3199316), (74, 2810210), (130, 1599658), (148, 1405105), (185, 1124084), (260, 799829), (370, 562042), (481, 432340), (740, 281021), (962, 216170), (1924, 108085), (2405, 86468), (4810, 43234), (9620, 21617)]