291880360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251621}}^1$

素因数の和:251661

約数の個数: 32

約数和(自身を含む): 679379400

約数和(自身を除く): 387499040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 251621, 503242, 1006484, 1258105, 2012968, 2516210, 5032420, 7297009, 10064840, 14594018, 29188036, 36485045, 58376072, 72970090, 145940180, 291880360]

約数ペア:

[(1, 291880360), (2, 145940180), (4, 72970090), (5, 58376072), (8, 36485045), (10, 29188036), (20, 14594018), (29, 10064840), (40, 7297009), (58, 5032420), (116, 2516210), (145, 2012968), (232, 1258105), (290, 1006484), (580, 503242), (1160, 251621)]