169519420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4219}}^1$

素因数の和:4283

約数の個数: 72

約数和(自身を含む): 424312560

約数和(自身を除く): 254793140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 4219, 5740, 8036, 8438, 10045, 16876, 20090, 21095, 29533, 40180, 42190, 59066, 84380, 118132, 147665, 172979, 206731, 295330, 345958, 413462, 590660, 691916, 826924, 864895, 1033655, 1210853, 1729790, 2067310, 2421706, 3459580, 4134620, 4843412, 6054265, 8475971, 12108530, 16951942, 24217060, 33903884, 42379855, 84759710, 169519420]

約数ペア:

[(1, 169519420), (2, 84759710), (4, 42379855), (5, 33903884), (7, 24217060), (10, 16951942), (14, 12108530), (20, 8475971), (28, 6054265), (35, 4843412), (41, 4134620), (49, 3459580), (70, 2421706), (82, 2067310), (98, 1729790), (140, 1210853), (164, 1033655), (196, 864895), (205, 826924), (245, 691916), (287, 590660), (410, 413462), (490, 345958), (574, 295330), (820, 206731), (980, 172979), (1148, 147665), (1435, 118132), (2009, 84380), (2870, 59066), (4018, 42190), (4219, 40180), (5740, 29533), (8036, 21095), (8438, 20090), (10045, 16876)]