11929940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 27566784

約数和(自身を除く): 15636844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 257, 422, 514, 844, 1028, 1055, 1285, 2110, 2321, 2570, 2827, 4220, 4642, 5140, 5654, 9284, 11308, 11605, 14135, 23210, 28270, 46420, 54227, 56540, 108454, 216908, 271135, 542270, 596497, 1084540, 1192994, 2385988, 2982485, 5964970, 11929940]

約数ペア:

[(1, 11929940), (2, 5964970), (4, 2982485), (5, 2385988), (10, 1192994), (11, 1084540), (20, 596497), (22, 542270), (44, 271135), (55, 216908), (110, 108454), (211, 56540), (220, 54227), (257, 46420), (422, 28270), (514, 23210), (844, 14135), (1028, 11605), (1055, 11308), (1285, 9284), (2110, 5654), (2321, 5140), (2570, 4642), (2827, 4220)]