249663460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2897}}^1$

素因数の和:3076

約数の個数: 48

約数和(自身を含む): 545287680

約数和(自身を除く): 295624220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 2897, 4309, 5794, 8618, 11588, 14485, 17236, 21545, 28970, 43090, 57940, 86180, 89807, 179614, 359228, 402683, 449035, 805366, 898070, 1610732, 1796140, 2013415, 4026830, 8053660, 12483173, 24966346, 49932692, 62415865, 124831730, 249663460]

約数ペア:

[(1, 249663460), (2, 124831730), (4, 62415865), (5, 49932692), (10, 24966346), (20, 12483173), (31, 8053660), (62, 4026830), (124, 2013415), (139, 1796140), (155, 1610732), (278, 898070), (310, 805366), (556, 449035), (620, 402683), (695, 359228), (1390, 179614), (2780, 89807), (2897, 86180), (4309, 57940), (5794, 43090), (8618, 28970), (11588, 21545), (14485, 17236)]