170865940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 422876160

約数和(自身を除く): 252010220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2207, 2212, 2765, 3871, 4414, 5530, 7742, 8828, 11035, 11060, 15449, 15484, 19355, 22070, 30898, 38710, 44140, 61796, 77245, 77420, 108143, 154490, 174353, 216286, 308980, 348706, 432572, 540715, 697412, 871765, 1081430, 1220471, 1743530, 2162860, 2440942, 3487060, 4881884, 6102355, 8543297, 12204710, 17086594, 24409420, 34173188, 42716485, 85432970, 170865940]

約数ペア:

[(1, 170865940), (2, 85432970), (4, 42716485), (5, 34173188), (7, 24409420), (10, 17086594), (14, 12204710), (20, 8543297), (28, 6102355), (35, 4881884), (49, 3487060), (70, 2440942), (79, 2162860), (98, 1743530), (140, 1220471), (158, 1081430), (196, 871765), (245, 697412), (316, 540715), (395, 432572), (490, 348706), (553, 308980), (790, 216286), (980, 174353), (1106, 154490), (1580, 108143), (2207, 77420), (2212, 77245), (2765, 61796), (3871, 44140), (4414, 38710), (5530, 30898), (7742, 22070), (8828, 19355), (11035, 15484), (11060, 15449)]