23120405

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 36837504

約数和(自身を除く): 13717099

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 373, 385, 539, 805, 1127, 1265, 1771, 1865, 2611, 2695, 4103, 5635, 8579, 8855, 12397, 13055, 18277, 20515, 28721, 42895, 60053, 61985, 91385, 94369, 143605, 201047, 300265, 420371, 471845, 660583, 1005235, 2101855, 3302915, 4624081, 23120405]

約数ペア:

[(1, 23120405), (5, 4624081), (7, 3302915), (11, 2101855), (23, 1005235), (35, 660583), (49, 471845), (55, 420371), (77, 300265), (115, 201047), (161, 143605), (245, 94369), (253, 91385), (373, 61985), (385, 60053), (539, 42895), (805, 28721), (1127, 20515), (1265, 18277), (1771, 13055), (1865, 12397), (2611, 8855), (2695, 8579), (4103, 5635)]