172493720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{88007}}^1$

素因数の和:88032

約数の個数: 48

約数和(自身を含む): 451481040

約数和(自身を除く): 278987320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 88007, 176014, 352028, 440035, 616049, 704056, 880070, 1232098, 1760140, 2464196, 3080245, 3520280, 4312343, 4928392, 6160490, 8624686, 12320980, 17249372, 21561715, 24641960, 34498744, 43123430, 86246860, 172493720]

約数ペア:

[(1, 172493720), (2, 86246860), (4, 43123430), (5, 34498744), (7, 24641960), (8, 21561715), (10, 17249372), (14, 12320980), (20, 8624686), (28, 6160490), (35, 4928392), (40, 4312343), (49, 3520280), (56, 3080245), (70, 2464196), (98, 1760140), (140, 1232098), (196, 880070), (245, 704056), (280, 616049), (392, 440035), (490, 352028), (980, 176014), (1960, 88007)]