90390220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 202406400

約数和(自身を除く): 112016180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 3011, 6004, 6022, 7505, 12044, 15010, 15055, 30020, 30110, 57209, 60220, 114418, 228836, 237869, 286045, 475738, 572090, 951476, 1144180, 1189345, 2378690, 4519511, 4757380, 9039022, 18078044, 22597555, 45195110, 90390220]

約数ペア:

[(1, 90390220), (2, 45195110), (4, 22597555), (5, 18078044), (10, 9039022), (19, 4757380), (20, 4519511), (38, 2378690), (76, 1189345), (79, 1144180), (95, 951476), (158, 572090), (190, 475738), (316, 286045), (380, 237869), (395, 228836), (790, 114418), (1501, 60220), (1580, 57209), (3002, 30110), (3011, 30020), (6004, 15055), (6022, 15010), (7505, 12044)]