400540976

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{10889}}^1$

素因数の和:10938

約数の個数: 60

約数和(自身を含む): 897989400

約数和(自身を除く): 497448424

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 836, 968, 1672, 1936, 2299, 3344, 4598, 9196, 10889, 18392, 21778, 36784, 43556, 87112, 119779, 174224, 206891, 239558, 413782, 479116, 827564, 958232, 1317569, 1655128, 1916464, 2275801, 2635138, 3310256, 4551602, 5270276, 9103204, 10540552, 18206408, 21081104, 25033811, 36412816, 50067622, 100135244, 200270488, 400540976]

約数ペア:

[(1, 400540976), (2, 200270488), (4, 100135244), (8, 50067622), (11, 36412816), (16, 25033811), (19, 21081104), (22, 18206408), (38, 10540552), (44, 9103204), (76, 5270276), (88, 4551602), (121, 3310256), (152, 2635138), (176, 2275801), (209, 1916464), (242, 1655128), (304, 1317569), (418, 958232), (484, 827564), (836, 479116), (968, 413782), (1672, 239558), (1936, 206891), (2299, 174224), (3344, 119779), (4598, 87112), (9196, 43556), (10889, 36784), (18392, 21778)]