139935640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{613}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 340401600

約数和(自身を除く): 200465960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 439, 520, 613, 878, 1226, 1756, 2195, 2452, 3065, 3512, 4390, 4904, 5707, 6130, 7969, 8780, 11414, 12260, 15938, 17560, 22828, 24520, 28535, 31876, 39845, 45656, 57070, 63752, 79690, 114140, 159380, 228280, 269107, 318760, 538214, 1076428, 1345535, 2152856, 2691070, 3498391, 5382140, 6996782, 10764280, 13993564, 17491955, 27987128, 34983910, 69967820, 139935640]

約数ペア:

[(1, 139935640), (2, 69967820), (4, 34983910), (5, 27987128), (8, 17491955), (10, 13993564), (13, 10764280), (20, 6996782), (26, 5382140), (40, 3498391), (52, 2691070), (65, 2152856), (104, 1345535), (130, 1076428), (260, 538214), (439, 318760), (520, 269107), (613, 228280), (878, 159380), (1226, 114140), (1756, 79690), (2195, 63752), (2452, 57070), (3065, 45656), (3512, 39845), (4390, 31876), (4904, 28535), (5707, 24520), (6130, 22828), (7969, 17560), (8780, 15938), (11414, 12260)]