11138380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 25746336

約数和(自身を除く): 14607956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 257, 394, 514, 788, 985, 1028, 1285, 1970, 2167, 2570, 2827, 3940, 4334, 5140, 5654, 8668, 10835, 11308, 14135, 21670, 28270, 43340, 50629, 56540, 101258, 202516, 253145, 506290, 556919, 1012580, 1113838, 2227676, 2784595, 5569190, 11138380]

約数ペア:

[(1, 11138380), (2, 5569190), (4, 2784595), (5, 2227676), (10, 1113838), (11, 1012580), (20, 556919), (22, 506290), (44, 253145), (55, 202516), (110, 101258), (197, 56540), (220, 50629), (257, 43340), (394, 28270), (514, 21670), (788, 14135), (985, 11308), (1028, 10835), (1285, 8668), (1970, 5654), (2167, 5140), (2570, 4334), (2827, 3940)]