291259580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{2161}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 640713024

約数和(自身を除く): 349453444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 293, 460, 586, 1172, 1465, 2161, 2930, 4322, 5860, 6739, 8644, 10805, 13478, 21610, 26956, 33695, 43220, 49703, 67390, 99406, 134780, 198812, 248515, 497030, 633173, 994060, 1266346, 2532692, 3165865, 6331730, 12663460, 14562979, 29125958, 58251916, 72814895, 145629790, 291259580]

約数ペア:

[(1, 291259580), (2, 145629790), (4, 72814895), (5, 58251916), (10, 29125958), (20, 14562979), (23, 12663460), (46, 6331730), (92, 3165865), (115, 2532692), (230, 1266346), (293, 994060), (460, 633173), (586, 497030), (1172, 248515), (1465, 198812), (2161, 134780), (2930, 99406), (4322, 67390), (5860, 49703), (6739, 43220), (8644, 33695), (10805, 26956), (13478, 21610)]