30930860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3539}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 71366400

約数和(自身を除く): 40435540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3539, 4370, 7078, 8740, 14156, 17695, 35390, 67241, 70780, 81397, 134482, 162794, 268964, 325588, 336205, 406985, 672410, 813970, 1344820, 1546543, 1627940, 3093086, 6186172, 7732715, 15465430, 30930860]

約数ペア:

[(1, 30930860), (2, 15465430), (4, 7732715), (5, 6186172), (10, 3093086), (19, 1627940), (20, 1546543), (23, 1344820), (38, 813970), (46, 672410), (76, 406985), (92, 336205), (95, 325588), (115, 268964), (190, 162794), (230, 134482), (380, 81397), (437, 70780), (460, 67241), (874, 35390), (1748, 17695), (2185, 14156), (3539, 8740), (4370, 7078)]