197956720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1610

約数の個数: 80

約数和(自身を含む): 499780512

約数和(自身を除く): 301823792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1310, 1453, 1703, 2096, 2620, 2906, 3406, 5240, 5812, 6812, 7265, 8515, 10480, 11624, 13624, 14530, 17030, 18889, 23248, 27248, 29060, 34060, 37778, 58120, 68120, 75556, 94445, 116240, 136240, 151112, 188890, 190343, 302224, 377780, 380686, 755560, 761372, 951715, 1511120, 1522744, 1903430, 2474459, 3045488, 3806860, 4948918, 7613720, 9897836, 12372295, 15227440, 19795672, 24744590, 39591344, 49489180, 98978360, 197956720]

約数ペア:

[(1, 197956720), (2, 98978360), (4, 49489180), (5, 39591344), (8, 24744590), (10, 19795672), (13, 15227440), (16, 12372295), (20, 9897836), (26, 7613720), (40, 4948918), (52, 3806860), (65, 3045488), (80, 2474459), (104, 1903430), (130, 1522744), (131, 1511120), (208, 951715), (260, 761372), (262, 755560), (520, 380686), (524, 377780), (655, 302224), (1040, 190343), (1048, 188890), (1310, 151112), (1453, 136240), (1703, 116240), (2096, 94445), (2620, 75556), (2906, 68120), (3406, 58120), (5240, 37778), (5812, 34060), (6812, 29060), (7265, 27248), (8515, 23248), (10480, 18889), (11624, 17030), (13624, 14530)]