90870236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 180300960

約数和(自身を除く): 89430724

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 646, 1037, 1153, 1159, 1292, 2074, 2306, 2318, 4148, 4612, 4636, 19601, 19703, 21907, 39202, 39406, 43814, 70333, 78404, 78812, 87628, 140666, 281332, 372419, 744838, 1195661, 1336327, 1489676, 2391322, 2672654, 4782644, 5345308, 22717559, 45435118, 90870236]

約数ペア:

[(1, 90870236), (2, 45435118), (4, 22717559), (17, 5345308), (19, 4782644), (34, 2672654), (38, 2391322), (61, 1489676), (68, 1336327), (76, 1195661), (122, 744838), (244, 372419), (323, 281332), (646, 140666), (1037, 87628), (1153, 78812), (1159, 78404), (1292, 70333), (2074, 43814), (2306, 39406), (2318, 39202), (4148, 21907), (4612, 19703), (4636, 19601)]