1796710180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 3800306160

約数和(自身を除く): 2003595980

約数列:

[1, 2, 4, 5, 10, 20, 269, 521, 538, 641, 1042, 1076, 1282, 1345, 2084, 2564, 2605, 2690, 3205, 5210, 5380, 6410, 10420, 12820, 140149, 172429, 280298, 333961, 344858, 560596, 667922, 689716, 700745, 862145, 1335844, 1401490, 1669805, 1724290, 2802980, 3339610, 3448580, 6679220, 89835509, 179671018, 359342036, 449177545, 898355090, 1796710180]

約数ペア:

[(1, 1796710180), (2, 898355090), (4, 449177545), (5, 359342036), (10, 179671018), (20, 89835509), (269, 6679220), (521, 3448580), (538, 3339610), (641, 2802980), (1042, 1724290), (1076, 1669805), (1282, 1401490), (1345, 1335844), (2084, 862145), (2564, 700745), (2605, 689716), (2690, 667922), (3205, 560596), (5210, 344858), (5380, 333961), (6410, 280298), (10420, 172429), (12820, 140149)]