280776680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2909}}^1$

素因数の和:3066

約数の個数: 64

約数和(自身を含む): 670464000

約数和(自身を除く): 389687320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 2909, 4826, 5080, 5818, 9652, 11636, 12065, 14545, 19304, 23272, 24130, 29090, 48260, 55271, 58180, 96520, 110542, 116360, 221084, 276355, 369443, 442168, 552710, 738886, 1105420, 1477772, 1847215, 2210840, 2955544, 3694430, 7019417, 7388860, 14038834, 14777720, 28077668, 35097085, 56155336, 70194170, 140388340, 280776680]

約数ペア:

[(1, 280776680), (2, 140388340), (4, 70194170), (5, 56155336), (8, 35097085), (10, 28077668), (19, 14777720), (20, 14038834), (38, 7388860), (40, 7019417), (76, 3694430), (95, 2955544), (127, 2210840), (152, 1847215), (190, 1477772), (254, 1105420), (380, 738886), (508, 552710), (635, 442168), (760, 369443), (1016, 276355), (1270, 221084), (2413, 116360), (2540, 110542), (2909, 96520), (4826, 58180), (5080, 55271), (5818, 48260), (9652, 29090), (11636, 24130), (12065, 23272), (14545, 19304)]