220767575

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 331853760

約数和(自身を除く): 111086185

約数列:

[1, 5, 7, 25, 29, 35, 41, 145, 175, 203, 205, 287, 725, 1015, 1025, 1061, 1189, 1435, 5075, 5305, 5945, 7175, 7427, 8323, 26525, 29725, 30769, 37135, 41615, 43501, 153845, 185675, 208075, 215383, 217505, 304507, 769225, 1076915, 1087525, 1261529, 1522535, 5384575, 6307645, 7612675, 8830703, 31538225, 44153515, 220767575]

約数ペア:

[(1, 220767575), (5, 44153515), (7, 31538225), (25, 8830703), (29, 7612675), (35, 6307645), (41, 5384575), (145, 1522535), (175, 1261529), (203, 1087525), (205, 1076915), (287, 769225), (725, 304507), (1015, 217505), (1025, 215383), (1061, 208075), (1189, 185675), (1435, 153845), (5075, 43501), (5305, 41615), (5945, 37135), (7175, 30769), (7427, 29725), (8323, 26525)]