253465940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139267}}^1$

素因数の和:139296

約数の個数: 48

約数和(自身を含む): 655116672

約数和(自身を除く): 401650732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 139267, 278534, 557068, 696335, 974869, 1392670, 1810471, 1949738, 2785340, 3620942, 3899476, 4874345, 7241884, 9052355, 9748690, 12673297, 18104710, 19497380, 25346594, 36209420, 50693188, 63366485, 126732970, 253465940]

約数ペア:

[(1, 253465940), (2, 126732970), (4, 63366485), (5, 50693188), (7, 36209420), (10, 25346594), (13, 19497380), (14, 18104710), (20, 12673297), (26, 9748690), (28, 9052355), (35, 7241884), (52, 4874345), (65, 3899476), (70, 3620942), (91, 2785340), (130, 1949738), (140, 1810471), (182, 1392670), (260, 974869), (364, 696335), (455, 557068), (910, 278534), (1820, 139267)]