30657868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 60933600

約数和(自身を除く): 30275732

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 389, 646, 778, 1037, 1159, 1292, 1556, 2074, 2318, 4148, 4636, 6613, 7391, 13226, 14782, 19703, 23729, 26452, 29564, 39406, 47458, 78812, 94916, 125647, 251294, 403393, 450851, 502588, 806786, 901702, 1613572, 1803404, 7664467, 15328934, 30657868]

約数ペア:

[(1, 30657868), (2, 15328934), (4, 7664467), (17, 1803404), (19, 1613572), (34, 901702), (38, 806786), (61, 502588), (68, 450851), (76, 403393), (122, 251294), (244, 125647), (323, 94916), (389, 78812), (646, 47458), (778, 39406), (1037, 29564), (1159, 26452), (1292, 23729), (1556, 19703), (2074, 14782), (2318, 13226), (4148, 7391), (4636, 6613)]