28738010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 31935526

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 223, 245, 263, 446, 490, 526, 1115, 1315, 1561, 1841, 2230, 2630, 3122, 3682, 7805, 9205, 10927, 12887, 15610, 18410, 21854, 25774, 54635, 58649, 64435, 109270, 117298, 128870, 293245, 410543, 586490, 821086, 2052715, 2873801, 4105430, 5747602, 14369005, 28738010]

約数ペア:

[(1, 28738010), (2, 14369005), (5, 5747602), (7, 4105430), (10, 2873801), (14, 2052715), (35, 821086), (49, 586490), (70, 410543), (98, 293245), (223, 128870), (245, 117298), (263, 109270), (446, 64435), (490, 58649), (526, 54635), (1115, 25774), (1315, 21854), (1561, 18410), (1841, 15610), (2230, 12887), (2630, 10927), (3122, 9205), (3682, 7805)]