290297504

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{68209}}^1$

素因数の和:68245

約数の個数: 48

約数和(自身を含む): 687556800

約数和(自身を除く): 397259296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 68209, 136418, 272836, 477463, 545672, 954926, 1091344, 1295971, 1909852, 2182688, 2591942, 3819704, 5183884, 7639408, 9071797, 10367768, 15278816, 18143594, 20735536, 36287188, 41471072, 72574376, 145148752, 290297504]

約数ペア:

[(1, 290297504), (2, 145148752), (4, 72574376), (7, 41471072), (8, 36287188), (14, 20735536), (16, 18143594), (19, 15278816), (28, 10367768), (32, 9071797), (38, 7639408), (56, 5183884), (76, 3819704), (112, 2591942), (133, 2182688), (152, 1909852), (224, 1295971), (266, 1091344), (304, 954926), (532, 545672), (608, 477463), (1064, 272836), (2128, 136418), (4256, 68209)]