215511340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8669}}^1$

素因数の和:8802

約数の個数: 48

約数和(自身を含む): 498143520

約数和(自身を除く): 282632180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 8669, 12430, 17338, 24860, 34676, 43345, 86690, 95359, 173380, 190718, 381436, 476795, 953590, 979597, 1907180, 1959194, 3918388, 4897985, 9795970, 10775567, 19591940, 21551134, 43102268, 53877835, 107755670, 215511340]

約数ペア:

[(1, 215511340), (2, 107755670), (4, 53877835), (5, 43102268), (10, 21551134), (11, 19591940), (20, 10775567), (22, 9795970), (44, 4897985), (55, 3918388), (110, 1959194), (113, 1907180), (220, 979597), (226, 953590), (452, 476795), (565, 381436), (1130, 190718), (1243, 173380), (2260, 95359), (2486, 86690), (4972, 43345), (6215, 34676), (8669, 24860), (12430, 17338)]