172092020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 399168000

約数和(自身を除く): 227075980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 79, 85, 86, 149, 158, 170, 172, 215, 298, 316, 340, 395, 430, 596, 731, 745, 790, 860, 1343, 1462, 1490, 1580, 2533, 2686, 2924, 2980, 3397, 3655, 5066, 5372, 6407, 6715, 6794, 7310, 10132, 11771, 12665, 12814, 13430, 13588, 14620, 16985, 23542, 25330, 25628, 26860, 32035, 33970, 47084, 50660, 57749, 58855, 64070, 67940, 108919, 115498, 117710, 128140, 200107, 217838, 230996, 235420, 288745, 400214, 435676, 506153, 544595, 577490, 800428, 1000535, 1012306, 1089190, 1154980, 2001070, 2024612, 2178380, 2530765, 4002140, 5061530, 8604601, 10123060, 17209202, 34418404, 43023005, 86046010, 172092020]

約数ペア:

[(1, 172092020), (2, 86046010), (4, 43023005), (5, 34418404), (10, 17209202), (17, 10123060), (20, 8604601), (34, 5061530), (43, 4002140), (68, 2530765), (79, 2178380), (85, 2024612), (86, 2001070), (149, 1154980), (158, 1089190), (170, 1012306), (172, 1000535), (215, 800428), (298, 577490), (316, 544595), (340, 506153), (395, 435676), (430, 400214), (596, 288745), (731, 235420), (745, 230996), (790, 217838), (860, 200107), (1343, 128140), (1462, 117710), (1490, 115498), (1580, 108919), (2533, 67940), (2686, 64070), (2924, 58855), (2980, 57749), (3397, 50660), (3655, 47084), (5066, 33970), (5372, 32035), (6407, 26860), (6715, 25628), (6794, 25330), (7310, 23542), (10132, 16985), (11771, 14620), (12665, 13588), (12814, 13430)]